diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/components/umbaceeditor.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/components/umbaceeditor.directive.js
index b4d98031e7..329a3913f2 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/components/umbaceeditor.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/components/umbaceeditor.directive.js
@@ -80,7 +80,7 @@
             }
             // Advanced options
             if (Utilities.isDefined(opts.firstLineNumber)) {
-                if (angular.isNumber(opts.firstLineNumber)) {
+                if (Utilities.isNumber(opts.firstLineNumber)) {
                     session.setOption('firstLineNumber', opts.firstLineNumber);
                 } else if (angular.isFunction(opts.firstLineNumber)) {
                     session.setOption('firstLineNumber', opts.firstLineNumber());
diff --git a/src/Umbraco.Web.UI.Client/src/common/resources/content.resource.js b/src/Umbraco.Web.UI.Client/src/common/resources/content.resource.js
index d714ea4938..cd05e26e56 100644
--- a/src/Umbraco.Web.UI.Client/src/common/resources/content.resource.js
+++ b/src/Umbraco.Web.UI.Client/src/common/resources/content.resource.js
@@ -610,7 +610,7 @@ function contentResource($q, $http, umbDataFormatter, umbRequestHelper) {
             
             //converts the value to a js bool
             function toBool(v) {
-                if (angular.isNumber(v)) {
+                if (Utilities.isNumber(v)) {
                     return v > 0;
                 }
                 if (angular.isString(v)) {
diff --git a/src/Umbraco.Web.UI.Client/src/common/resources/media.resource.js b/src/Umbraco.Web.UI.Client/src/common/resources/media.resource.js
index e4e3cc6f3f..b5c53b6f44 100644
--- a/src/Umbraco.Web.UI.Client/src/common/resources/media.resource.js
+++ b/src/Umbraco.Web.UI.Client/src/common/resources/media.resource.js
@@ -348,7 +348,7 @@ function mediaResource($q, $http, umbDataFormatter, umbRequestHelper) {
 
             //converts the value to a js bool
             function toBool(v) {
-                if (angular.isNumber(v)) {
+                if (Utilities.isNumber(v)) {
                     return v > 0;
                 }
                 if (angular.isString(v)) {
diff --git a/src/Umbraco.Web.UI.Client/src/common/resources/member.resource.js b/src/Umbraco.Web.UI.Client/src/common/resources/member.resource.js
index d21edbbab8..32f81fdff1 100644
--- a/src/Umbraco.Web.UI.Client/src/common/resources/member.resource.js
+++ b/src/Umbraco.Web.UI.Client/src/common/resources/member.resource.js
@@ -53,7 +53,7 @@ function memberResource($q, $http, umbDataFormatter, umbRequestHelper) {
 
             //converts the value to a js bool
             function toBool(v) {
-                if (angular.isNumber(v)) {
+                if (Utilities.isNumber(v)) {
                     return v > 0;
                 }
                 if (angular.isString(v)) {
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js b/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
index 3cfe4f740e..5cf54ad6a0 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
@@ -10,7 +10,7 @@ function contentEditingHelper(fileManager, $q, $location, $routeParams, editorSt
     function isValidIdentifier(id) {
 
         //empty id <= 0
-        if (angular.isNumber(id)) {
+        if (Utilities.isNumber(id)) {
             if (id === 0) {
                 return false;
             }
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/umbdataformatter.service.js b/src/Umbraco.Web.UI.Client/src/common/services/umbdataformatter.service.js
index d9aef1ddba..c36ffdc58a 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/umbdataformatter.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/umbdataformatter.service.js
@@ -242,7 +242,7 @@
                 var currUsers = saveModel.users;
                 var formattedUsers = [];
                 for (var j = 0; j < currUsers.length; j++) {
-                    if (!angular.isNumber(currUsers[j])) {
+                    if (!Utilities.isNumber(currUsers[j])) {
                         formattedUsers.push(currUsers[j].id);
                     }
                     else {
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/user.service.js b/src/Umbraco.Web.UI.Client/src/common/services/user.service.js
index afd7b606e7..91dc08ebe2 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/user.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/user.service.js
@@ -128,7 +128,7 @@ angular.module('umbraco.services')
         function setUserTimeoutInternal(newTimeout) {
 
             var asNumber = parseFloat(newTimeout);
-            if (!isNaN(asNumber) && currentUser && angular.isNumber(asNumber)) {
+            if (!isNaN(asNumber) && currentUser && Utilities.isNumber(asNumber)) {
                 currentUser.remainingAuthSeconds = newTimeout;
                 lastServerTimeoutSet = new Date();
             }
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/imagecropper/imagecropper.prevalues.controller.js b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/imagecropper/imagecropper.prevalues.controller.js
index de56442239..79ed11aef8 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/imagecropper/imagecropper.prevalues.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/imagecropper/imagecropper.prevalues.controller.js
@@ -47,7 +47,7 @@ angular.module("umbraco").controller("Umbraco.PrevalueEditors.CropSizesControlle
             $scope.setFocus = true;
 
 	        if ($scope.newItem && $scope.newItem.alias &&
-                angular.isNumber($scope.newItem.width) && angular.isNumber($scope.newItem.height) &&
+                Utilities.isNumber($scope.newItem.width) && Utilities.isNumber($scope.newItem.height) &&
                 $scope.newItem.width > 0 && $scope.newItem.height > 0) {
 
                 var exists = _.find($scope.model.value, function (item) { return $scope.newItem.alias === item.alias; });