45515100 has 36 divisors (see below), whose sum is σ = 131691224. Its totient is φ = 12137280.

The previous prime is 45515087. The next prime is 45515101. The reversal of 45515100 is 151554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75559 + ... + 76158.

Almost surely, 2^45515100 is an apocalyptic number.

It is an amenable number.

45515100 is an abundant number, since it is smaller than the sum of its proper divisors (86176124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45515100 is a wasteful number, since it uses less digits than its factorization.

45515100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151734 (or 151727 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 45515100 is about 6746.4879752357. The cubic root of 45515100 is about 357.0413372404.

Adding to 45515100 its reverse (151554), we get a palindrome (45666654).

The spelling of 45515100 in words is "forty-five million, five hundred fifteen thousand, one hundred".