157380439525 has 6 divisors (see below), whose sum is σ = 195151745042. Its totient is φ = 125904351600.

The previous prime is 157380439511. The next prime is 157380439529. The reversal of 157380439525 is 525934083751.

It can be written as a sum of positive squares in 3 ways, for example, as 54467157924 + 102913281601 = 233382^2 + 320801^2 .

It is not a de Polignac number, because 157380439525 - 2²⁵ = 157346885093 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 (157380439529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3147608766 + ... + 3147608815.

Almost surely, 2^157380439525 is an apocalyptic number.

It is an amenable number.

157380439525 is a deficient number, since it is larger than the sum of its proper divisors (37771305517).

157380439525 is an equidigital number, since it uses as much as digits as its factorization.

157380439525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295217591 (or 6295217586 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 157380439525 in words is "one hundred fifty-seven billion, three hundred eighty million, four hundred thirty-nine thousand, five hundred twenty-five".