157178860 has 24 divisors (see below), whose sum is σ = 330311520. Its totient is φ = 62826624.

The previous prime is 157178831. The next prime is 157178863. The reversal of 157178860 is 68871751.

It is not an unprimeable number, because it can be changed into a prime (157178863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51456 + ... + 54424.

It is an arithmetic number, because the mean of its divisors is an integer number (13762980).

Almost surely, 2^157178860 is an apocalyptic number.

157178860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157178860 is an abundant number, since it is smaller than the sum of its proper divisors (173132660).

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

157178860 is a wasteful number, since it uses less digits than its factorization.

157178860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625 (or 5623 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 43.

The square root of 157178860 is about 12537.0993455424. The cubic root of 157178860 is about 539.6738542680.

The spelling of 157178860 in words is "one hundred fifty-seven million, one hundred seventy-eight thousand, eight hundred sixty".