157788125 has 40 divisors (see below), whose sum is σ = 219304800. Its totient is φ = 112520000.

The previous prime is 157788097. The next prime is 157788133. The reversal of 157788125 is 521887751.

It is not a de Polignac number, because 157788125 - 2¹⁶ = 157722589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 405431 + ... + 405819.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2^157788125 is an apocalyptic number.

It is an amenable number.

157788125 is a deficient number, since it is larger than the sum of its proper divisors (61516675).

157788125 is an equidigital number, since it uses as much as digits as its factorization.

157788125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 464 counting only the distinct ones).

The product of its digits is 156800, while the sum is 44.

The square root of 157788125 is about 12561.3743276761. The cubic root of 157788125 is about 540.3702593281.

The spelling of 157788125 in words is "one hundred fifty-seven million, seven hundred eighty-eight thousand, one hundred twenty-five".