157813755 has 32 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 76154880.

The previous prime is 157813729. The next prime is 157813757. The reversal of 157813755 is 557318751.

It is not a de Polignac number, because 157813755 - 2⁵ = 157813723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157813757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34651 + ... + 38939.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^157813755 is an apocalyptic number.

157813755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157813755 is a deficient number, since it is larger than the sum of its proper divisors (118942725).

157813755 is a wasteful number, since it uses less digits than its factorization.

157813755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its digits is 147000, while the sum is 42.

The square root of 157813755 is about 12562.3944771688. The cubic root of 157813755 is about 540.3995157333.

The spelling of 157813755 in words is "one hundred fifty-seven million, eight hundred thirteen thousand, seven hundred fifty-five".