157271520 has 96 divisors (see below), whose sum is σ = 566189568. Its totient is φ = 35947008.

The previous prime is 157271473. The next prime is 157271537. The reversal of 157271520 is 25172751.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×157271520² = 49468662006220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20044 + ... + 26763.

It is an arithmetic number, because the mean of its divisors is an integer number (5897808).

Almost surely, 2^157271520 is an apocalyptic number.

157271520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157271520 is an abundant number, since it is smaller than the sum of its proper divisors (408918048).

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

157271520 is a wasteful number, since it uses less digits than its factorization.

157271520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46832 (or 46824 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 157271520 is about 12540.7942332214. The cubic root of 157271520 is about 539.7798828522.

The spelling of 157271520 in words is "one hundred fifty-seven million, two hundred seventy-one thousand, five hundred twenty".