45183937257 has 24 divisors (see below), whose sum is σ = 65770343496. Its totient is φ = 29889897216.

The previous prime is 45183937231. The next prime is 45183937289. The reversal of 45183937257 is 75273938154.

45183937257 is a `hidden beast` number, since 4 + 518 + 3 + 9 + 3 + 72 + 57 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1155728016 + 44028209241 = 33996^2 + 209829^2 .

It is not a de Polignac number, because 45183937257 - 2⁶ = 45183937193 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45183937157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3491563 + ... + 3504479.

It is an arithmetic number, because the mean of its divisors is an integer number (2740430979).

Almost surely, 2^45183937257 is an apocalyptic number.

It is an amenable number.

45183937257 is a deficient number, since it is larger than the sum of its proper divisors (20586406239).

45183937257 is a wasteful number, since it uses less digits than its factorization.

45183937257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15897 (or 15894 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 45183937257 in words is "forty-five billion, one hundred eighty-three million, nine hundred thirty-seven thousand, two hundred fifty-seven".