157326849 has 27 divisors (see below), whose sum is σ = 235642953. Its totient is φ = 101146752.

The previous prime is 157326847. The next prime is 157326887. The reversal of 157326849 is 948623751.

The square root of 157326849 is 12543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6036849 + 151290000 = 2457^2 + 12300^2 .

It is not a de Polignac number, because 157326849 - 2¹ = 157326847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157326847) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1392217 + ... + 1392329.

Almost surely, 2^157326849 is an apocalyptic number.

157326849 is the 12543-rd square number.

157326849 is the 6272-nd centered octagonal number.

It is an amenable number.

157326849 is a deficient number, since it is larger than the sum of its proper divisors (78316104).

157326849 is an equidigital number, since it uses as much as digits as its factorization.

157326849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 153 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The cubic root of 157326849 is about 539.8431746242.

The spelling of 157326849 in words is "one hundred fifty-seven million, three hundred twenty-six thousand, eight hundred forty-nine".