157899375 has 50 divisors (see below), whose sum is σ = 294843120. Its totient is φ = 84186000.

The previous prime is 157899361. The next prime is 157899377. The reversal of 157899375 is 573998751.

It is not a de Polignac number, because 157899375 - 2¹⁸ = 157637231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157899377) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 49066 + ... + 52184.

Almost surely, 2^157899375 is an apocalyptic number.

157899375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157899375 is a deficient number, since it is larger than the sum of its proper divisors (136943745).

157899375 is an frugal number, since it uses more digits than its factorization.

157899375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3127 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The square root of 157899375 is about 12565.8018048989. The cubic root of 157899375 is about 540.4972272023.

The spelling of 157899375 in words is "one hundred fifty-seven million, eight hundred ninety-nine thousand, three hundred seventy-five".