45715145 has 32 divisors (see below), whose sum is σ = 66147840. Its totient is φ = 29652480.

The previous prime is 45715141. The next prime is 45715151. The reversal of 45715145 is 54151754.

It is not a de Polignac number, because 45715145 - 2² = 45715141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45715141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87485 + ... + 88005.

It is an arithmetic number, because the mean of its divisors is an integer number (2067120).

Almost surely, 2^45715145 is an apocalyptic number.

It is an amenable number.

45715145 is a deficient number, since it is larger than the sum of its proper divisors (20432695).

45715145 is a wasteful number, since it uses less digits than its factorization.

45715145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its digits is 14000, while the sum is 32.

The square root of 45715145 is about 6761.2975825651. The cubic root of 45715145 is about 357.5636543703.

Adding to 45715145 its reverse (54151754), we get a palindrome (99866899).

The spelling of 45715145 in words is "forty-five million, seven hundred fifteen thousand, one hundred forty-five".