45012564 has 48 divisors (see below), whose sum is σ = 121779840. Its totient is φ = 14351040.

The previous prime is 45012523. The next prime is 45012581. The reversal of 45012564 is 46521054.

It is a super-2 number, since 2×45012564² = 4052261835708192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 6577 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (2537080).

Almost surely, 2^45012564 is an apocalyptic number.

It is an amenable number.

45012564 is an abundant number, since it is smaller than the sum of its proper divisors (76767276).

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

45012564 is a wasteful number, since it uses less digits than its factorization.

45012564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157 (or 18149 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45012564 is about 6709.1403324122. The cubic root of 45012564 is about 355.7224301891.

The spelling of 45012564 in words is "forty-five million, twelve thousand, five hundred sixty-four".