157107385 has 4 divisors (see below), whose sum is σ = 188528868. Its totient is φ = 125685904.

The previous prime is 157107359. The next prime is 157107397. The reversal of 157107385 is 583701751.

157107385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 140493609 = 4076^2 + 11853^2 .

It is a cyclic number.

It is not a de Polignac number, because 157107385 - 2¹¹ = 157105337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15710734 + ... + 15710743.

It is an arithmetic number, because the mean of its divisors is an integer number (47132217).

Almost surely, 2^157107385 is an apocalyptic number.

It is an amenable number.

157107385 is a deficient number, since it is larger than the sum of its proper divisors (31421483).

157107385 is an equidigital number, since it uses as much as digits as its factorization.

157107385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31421482.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 157107385 is about 12534.2484816602. The cubic root of 157107385 is about 539.5920386915.

The spelling of 157107385 in words is "one hundred fifty-seven million, one hundred seven thousand, three hundred eighty-five".