157251738532 has 12 divisors (see below), whose sum is σ = 314503477120. Its totient is φ = 67393602216.

The previous prime is 157251738517. The next prime is 157251738557. The reversal of 157251738532 is 235837152751.

157251738532 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808066732 + ... + 2808066787.

Almost surely, 2^157251738532 is an apocalyptic number.

It is an amenable number.

157251738532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157251738532 is a wasteful number, since it uses less digits than its factorization.

157251738532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616133530 (or 5616133528 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The spelling of 157251738532 in words is "one hundred fifty-seven billion, two hundred fifty-one million, seven hundred thirty-eight thousand, five hundred thirty-two".