157754847231 has 12 divisors (see below), whose sum is σ = 227888334960. Its totient is φ = 105160564800.

The previous prime is 157754847227. The next prime is 157754847233. The reversal of 157754847231 is 132748457751.

157754847231 is a `hidden beast` number, since 1 + 5 + 77 + 548 + 4 + 7 + 23 + 1 = 666.

It is not a de Polignac number, because 157754847231 - 2² = 157754847227 is a prime.

It is a super-2 number, since 2×157754847231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157754847233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669946 + ... + 874263.

It is an arithmetic number, because the mean of its divisors is an integer number (18990694580).

Almost surely, 2^157754847231 is an apocalyptic number.

157754847231 is a deficient number, since it is larger than the sum of its proper divisors (70133487729).

157754847231 is a wasteful number, since it uses less digits than its factorization.

157754847231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555566 (or 1555563 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 157754847231 in words is "one hundred fifty-seven billion, seven hundred fifty-four million, eight hundred forty-seven thousand, two hundred thirty-one".