156425049 has 27 divisors (see below), whose sum is σ = 249012309. Its totient is φ = 94552920.

The previous prime is 156425029. The next prime is 156425051. The reversal of 156425049 is 940524651.

The square root of 156425049 is 12507.

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

156425049 is a `hidden beast` number, since 1 + 5 + 642 + 5 + 0 + 4 + 9 = 666.

It is not a de Polignac number, because 156425049 - 2¹³ = 156416857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156425029) 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, 412542 + ... + 412920.

Almost surely, 2^156425049 is an apocalyptic number.

156425049 is the 12507-th square number.

156425049 is the 6254-th centered octagonal number.

It is an amenable number.

156425049 is a deficient number, since it is larger than the sum of its proper divisors (92587260).

156425049 is an equidigital number, since it uses as much as digits as its factorization.

156425049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The cubic root of 156425049 is about 538.8097343162.

Multiplying 156425049 by its sum of digits (36), we get a square (5631301764 = 75042²).

The spelling of 156425049 in words is "one hundred fifty-six million, four hundred twenty-five thousand, forty-nine".