157162540 has 12 divisors (see below), whose sum is σ = 330041376. Its totient is φ = 62865008.

The previous prime is 157162507. The next prime is 157162559. The reversal of 157162540 is 45261751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929044 + ... + 3929083.

It is an arithmetic number, because the mean of its divisors is an integer number (27503448).

Almost surely, 2^157162540 is an apocalyptic number.

157162540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157162540 is an abundant number, since it is smaller than the sum of its proper divisors (172878836).

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

157162540 is a wasteful number, since it uses less digits than its factorization.

157162540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858136 (or 7858134 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 157162540 is about 12536.4484603894. The cubic root of 157162540 is about 539.6551753732.

The spelling of 157162540 in words is "one hundred fifty-seven million, one hundred sixty-two thousand, five hundred forty".