156725361 has 45 divisors (see below), whose sum is σ = 255906651. Its totient is φ = 95545008.

The previous prime is 156725333. The next prime is 156725369. The reversal of 156725361 is 163527651.

The square root of 156725361 is 12519.

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

156725361 is a `hidden beast` number, since 1 + 56 + 72 + 536 + 1 = 666.

156725361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 133541136 = 4815^2 + 11556^2 .

It is not a de Polignac number, because 156725361 - 2¹⁷ = 156594289 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (37800) is a multiple of the sum of its prime factors (252).

It is not an unprimeable number, because it can be changed into a prime (156725369) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1464670 + ... + 1464776.

Almost surely, 2^156725361 is an apocalyptic number.

156725361 is the 12519-th square number.

156725361 is the 6260-th centered octagonal number.

It is an amenable number.

156725361 is a deficient number, since it is larger than the sum of its proper divisors (99181290).

156725361 is an equidigital number, since it uses as much as digits as its factorization.

156725361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 123 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The cubic root of 156725361 is about 539.1543244559.

Multiplying 156725361 by its sum of digits (36), we get a square (5642112996 = 75114²).

The spelling of 156725361 in words is "one hundred fifty-six million, seven hundred twenty-five thousand, three hundred sixty-one".