45257864 has 16 divisors (see below), whose sum is σ = 87785100. Its totient is φ = 21848512.

The previous prime is 45257857. The next prime is 45257869. The reversal of 45257864 is 46875254.

It can be written as a sum of positive squares in 2 ways, for example, as 41088100 + 4169764 = 6410^2 + 2042^2 .

It is not an unprimeable number, because it can be changed into a prime (45257869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97307 + ... + 97770.

Almost surely, 2^45257864 is an apocalyptic number.

It is an amenable number.

45257864 is a deficient number, since it is larger than the sum of its proper divisors (42527236).

45257864 is a wasteful number, since it uses less digits than its factorization.

45257864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195112 (or 195108 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 45257864 is about 6727.3965246594. The cubic root of 45257864 is about 356.3674403409.

It can be divided in two parts, 452 and 57864, that multiplied together give a triangular number (26154528 = T₇₂₃₂).

The spelling of 45257864 in words is "forty-five million, two hundred fifty-seven thousand, eight hundred sixty-four".