157816325 has 12 divisors (see below), whose sum is σ = 198171840. Its totient is φ = 124653360.

The previous prime is 157816303. The next prime is 157816343. The reversal of 157816325 is 523618751.

It is not a de Polignac number, because 157816325 - 2⁸ = 157816069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37979 + ... + 41928.

It is an arithmetic number, because the mean of its divisors is an integer number (16514320).

Almost surely, 2^157816325 is an apocalyptic number.

It is an amenable number.

157816325 is a deficient number, since it is larger than the sum of its proper divisors (40355515).

157816325 is an equidigital number, since it uses as much as digits as its factorization.

157816325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79996 (or 79991 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 157816325 is about 12562.4967661687. The cubic root of 157816325 is about 540.4024491895.

The spelling of 157816325 in words is "one hundred fifty-seven million, eight hundred sixteen thousand, three hundred twenty-five".