157458745857 has 64 divisors (see below), whose sum is σ = 250976000000. Its totient is φ = 87726711744.

The previous prime is 157458745819. The next prime is 157458745861. The reversal of 157458745857 is 758547854751.

It is not a de Polignac number, because 157458745857 - 2¹² = 157458741761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157458745817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27386019 + ... + 27391767.

It is an arithmetic number, because the mean of its divisors is an integer number (3921500000).

Almost surely, 2^157458745857 is an apocalyptic number.

It is an amenable number.

157458745857 is a deficient number, since it is larger than the sum of its proper divisors (93517254143).

157458745857 is an equidigital number, since it uses as much as digits as its factorization.

157458745857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435 (or 6421 counting only the distinct ones).

The product of its digits is 219520000, while the sum is 66.

The spelling of 157458745857 in words is "one hundred fifty-seven billion, four hundred fifty-eight million, seven hundred forty-five thousand, eight hundred fifty-seven".