157285660 has 48 divisors (see below), whose sum is σ = 378350784. Its totient is φ = 53803008.

The previous prime is 157285643. The next prime is 157285669. The reversal of 157285660 is 66582751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157285669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76972 + ... + 78988.

It is an arithmetic number, because the mean of its divisors is an integer number (7882308).

Almost surely, 2^157285660 is an apocalyptic number.

157285660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157285660 is an abundant number, since it is smaller than the sum of its proper divisors (221065124).

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

157285660 is a wasteful number, since it uses less digits than its factorization.

157285660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 157285660 is about 12541.3579806973. The cubic root of 157285660 is about 539.7960592475.

The spelling of 157285660 in words is "one hundred fifty-seven million, two hundred eighty-five thousand, six hundred sixty".