157431460 has 12 divisors (see below), whose sum is σ = 330606108. Its totient is φ = 62972576.

The previous prime is 157431433. The next prime is 157431479. The reversal of 157431460 is 64134751.

It can be written as a sum of positive squares in 2 ways, for example, as 60093504 + 97337956 = 7752^2 + 9866^2 .

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, 3935767 + ... + 3935806.

It is an arithmetic number, because the mean of its divisors is an integer number (27550509).

Almost surely, 2^157431460 is an apocalyptic number.

157431460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157431460 is an abundant number, since it is smaller than the sum of its proper divisors (173174648).

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

157431460 is a wasteful number, since it uses less digits than its factorization.

157431460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871582 (or 7871580 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 157431460 is about 12547.1694019010. The cubic root of 157431460 is about 539.9628003638.

The spelling of 157431460 in words is "one hundred fifty-seven million, four hundred thirty-one thousand, four hundred sixty".