45125805857 has 16 divisors (see below), whose sum is σ = 51877134720. Its totient is φ = 38851296000.

The previous prime is 45125805787. The next prime is 45125805869. The reversal of 45125805857 is 75850852154.

It is not a de Polignac number, because 45125805857 - 2¹⁸ = 45125543713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45125805887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857432 + ... + 908537.

It is an arithmetic number, because the mean of its divisors is an integer number (3242320920).

Almost surely, 2^45125805857 is an apocalyptic number.

It is an amenable number.

45125805857 is a deficient number, since it is larger than the sum of its proper divisors (6751328863).

45125805857 is a wasteful number, since it uses less digits than its factorization.

45125805857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766104.

The product of its (nonzero) digits is 2240000, while the sum is 50.

The spelling of 45125805857 in words is "forty-five billion, one hundred twenty-five million, eight hundred five thousand, eight hundred fifty-seven".