156422125 has 32 divisors (see below), whose sum is σ = 207148032. Its totient is φ = 117720000.

The previous prime is 156422113. The next prime is 156422131. The reversal of 156422125 is 521224651.

It is not a de Polignac number, because 156422125 - 2¹⁷ = 156291053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156422093 and 156422102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142830 + ... + 143920.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^156422125 is an apocalyptic number.

It is an amenable number.

156422125 is a deficient number, since it is larger than the sum of its proper divisors (50725907).

156422125 is a wasteful number, since it uses less digits than its factorization.

156422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1164 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 156422125 is about 12506.8831049147. The cubic root of 156422125 is about 538.8063770332.

Adding to 156422125 its reverse (521224651), we get a palindrome (677646776).

The spelling of 156422125 in words is "one hundred fifty-six million, four hundred twenty-two thousand, one hundred twenty-five".