45374864 has 30 divisors (see below), whose sum is σ = 90401766. Its totient is φ = 22049920.

The previous prime is 45374843. The next prime is 45374897. The reversal of 45374864 is 46847354.

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 17707264 = 5260^2 + 4208^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172397 + ... + 172659.

Almost surely, 2^45374864 is an apocalyptic number.

It is an amenable number.

45374864 is a deficient number, since it is larger than the sum of its proper divisors (45026902).

45374864 is an equidigital number, since it uses as much as digits as its factorization.

45374864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 306 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 45374864 is about 6736.0866977794. The cubic root of 45374864 is about 356.6742681390.

Multiplying 45374864 by its sum of digits (41), we get a square (1860369424 = 43132²).

45374864 divided by its sum of digits (41) gives a square (1106704 = 1052²).

The spelling of 45374864 in words is "forty-five million, three hundred seventy-four thousand, eight hundred sixty-four".