156434225 has 12 divisors (see below), whose sum is σ = 194159820. Its totient is φ = 125030400.

The previous prime is 156434183. The next prime is 156434227. The reversal of 156434225 is 522434651.

It can be written as a sum of positive squares in 6 ways, for example, as 40742689 + 115691536 = 6383^2 + 10756^2 .

It is not a de Polignac number, because 156434225 - 2¹⁴ = 156417841 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 156434191 and 156434200.

It is not an unprimeable number, because it can be changed into a prime (156434227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33005 + ... + 37445.

It is an arithmetic number, because the mean of its divisors is an integer number (16179985).

Almost surely, 2^156434225 is an apocalyptic number.

It is an amenable number.

156434225 is a deficient number, since it is larger than the sum of its proper divisors (37725595).

156434225 is a wasteful number, since it uses less digits than its factorization.

156434225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860 (or 5855 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 156434225 is about 12507.3668291931. The cubic root of 156434225 is about 538.8202697590.

Adding to 156434225 its reverse (522434651), we get a palindrome (678868876).

The spelling of 156434225 in words is "one hundred fifty-six million, four hundred thirty-four thousand, two hundred twenty-five".