My iPhone says 1.49 GB is being taken up by Other?

What does that mean? How do I make it go away?

Restore your iPhone

Its just like stuff on your phone that doesn't fit in any other catagories it happens to me i don't know but if i need help with my iphone or ipad i cal, apple and they just help me over the phone if you want to call yo can ask them what it is and how can you get rid of it