157188431748 has 48 divisors (see below), whose sum is σ = 370319584320. Its totient is φ = 51889805184.

The previous prime is 157188431731. The next prime is 157188431759. The reversal of 157188431748 is 847134881751.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4364358 + ... + 4400226.

It is an arithmetic number, because the mean of its divisors is an integer number (7714991340).

Almost surely, 2^157188431748 is an apocalyptic number.

It is an amenable number.

157188431748 is an abundant number, since it is smaller than the sum of its proper divisors (213131152572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157188431748 is a wasteful number, since it uses less digits than its factorization.

157188431748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39396 (or 39394 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 57.

The spelling of 157188431748 in words is "one hundred fifty-seven billion, one hundred eighty-eight million, four hundred thirty-one thousand, seven hundred forty-eight".