157137580 has 24 divisors (see below), whose sum is σ = 336217392. Its totient is φ = 61668672.

The previous prime is 157137559. The next prime is 157137611. The reversal of 157137580 is 85731751.

It is a hoax number, since the sum of its digits (37) 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 7 ways as a sum of consecutive naturals, for example, 73062 + ... + 75181.

It is an arithmetic number, because the mean of its divisors is an integer number (14009058).

Almost surely, 2^157137580 is an apocalyptic number.

157137580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157137580 is an abundant number, since it is smaller than the sum of its proper divisors (179079812).

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

157137580 is a wasteful number, since it uses less digits than its factorization.

157137580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148305 (or 148303 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 157137580 is about 12535.4529236083. The cubic root of 157137580 is about 539.6266051505.

The spelling of 157137580 in words is "one hundred fifty-seven million, one hundred thirty-seven thousand, five hundred eighty".