157109375 has 16 divisors (see below), whose sum is σ = 196483872. Its totient is φ = 125625000.

The previous prime is 157109369. The next prime is 157109377. The reversal of 157109375 is 573901751.

It is a de Polignac number, because none of the positive numbers 2^k-157109375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157109377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77120 + ... + 79130.

It is an arithmetic number, because the mean of its divisors is an integer number (12280242).

Almost surely, 2^157109375 is an apocalyptic number.

157109375 is a deficient number, since it is larger than the sum of its proper divisors (39374497).

157109375 is an frugal number, since it uses more digits than its factorization.

157109375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 157109375 is about 12534.3278639104. The cubic root of 157109375 is about 539.5943169287.

The spelling of 157109375 in words is "one hundred fifty-seven million, one hundred nine thousand, three hundred seventy-five".