156425053 has 4 divisors (see below), whose sum is σ = 156628188. Its totient is φ = 156221920.

The previous prime is 156425051. The next prime is 156425083. The reversal of 156425053 is 350524651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 146458404 = 3157^2 + 12102^2 .

It is a cyclic number.

It is not a de Polignac number, because 156425053 - 2¹ = 156425051 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156425051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100408 + ... + 101953.

It is an arithmetic number, because the mean of its divisors is an integer number (39157047).

Almost surely, 2^156425053 is an apocalyptic number.

It is an amenable number.

156425053 is a deficient number, since it is larger than the sum of its proper divisors (203135).

156425053 is an equidigital number, since it uses as much as digits as its factorization.

156425053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203134.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 156425053 is about 12507.0001599104. Note that the first 3 decimals coincide. The cubic root of 156425053 is about 538.8097389089.

The spelling of 156425053 in words is "one hundred fifty-six million, four hundred twenty-five thousand, fifty-three".