157142860 has 24 divisors (see below), whose sum is σ = 377143200. Its totient is φ = 53877504.

The previous prime is 157142857. The next prime is 157142861. The reversal of 157142860 is 68241751.

157142860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157142861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561085 + ... + 561364.

It is an arithmetic number, because the mean of its divisors is an integer number (15714300).

Almost surely, 2^157142860 is an apocalyptic number.

157142860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157142860 is an abundant number, since it is smaller than the sum of its proper divisors (220000340).

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

157142860 is a wasteful number, since it uses less digits than its factorization.

157142860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122465 (or 1122463 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 157142860 is about 12535.6635245208. The cubic root of 157142860 is about 539.6326491037.

The spelling of 157142860 in words is "one hundred fifty-seven million, one hundred forty-two thousand, eight hundred sixty".