45518865 has 16 divisors (see below), whose sum is σ = 83234688. Its totient is φ = 20808576.

The previous prime is 45518849. The next prime is 45518887. The reversal of 45518865 is 56881554.

It is not a de Polignac number, because 45518865 - 2⁴ = 45518849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216652 + ... + 216861.

It is an arithmetic number, because the mean of its divisors is an integer number (5202168).

Almost surely, 2^45518865 is an apocalyptic number.

It is an amenable number.

45518865 is a deficient number, since it is larger than the sum of its proper divisors (37715823).

45518865 is a wasteful number, since it uses less digits than its factorization.

45518865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433528.

The product of its digits is 192000, while the sum is 42.

The square root of 45518865 is about 6746.7670035358. The cubic root of 45518865 is about 357.0511817650.

The spelling of 45518865 in words is "forty-five million, five hundred eighteen thousand, eight hundred sixty-five".