45885015 has 72 divisors (see below), whose sum is σ = 91386960. Its totient is φ = 21827520.

The previous prime is 45885013. The next prime is 45885041. The reversal of 45885015 is 51058854.

It is not a de Polignac number, because 45885015 - 2¹ = 45885013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45885013) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 865729 + ... + 865781.

Almost surely, 2^45885015 is an apocalyptic number.

45885015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45885015 is a deficient number, since it is larger than the sum of its proper divisors (45501945).

45885015 is a wasteful number, since it uses less digits than its factorization.

45885015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 45885015 is about 6773.8478725168. The cubic root of 45885015 is about 358.0059896213.

The spelling of 45885015 in words is "forty-five million, eight hundred eighty-five thousand, fifteen".