156122408 has 16 divisors (see below), whose sum is σ = 315247380. Its totient is φ = 72056448.

The previous prime is 156122401. The next prime is 156122453. The reversal of 156122408 is 804221651.

It can be written as a sum of positive squares in 2 ways, for example, as 150749284 + 5373124 = 12278^2 + 2318^2 .

It is not an unprimeable number, because it can be changed into a prime (156122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750485 + ... + 750692.

Almost surely, 2^156122408 is an apocalyptic number.

It is an amenable number.

156122408 is an abundant number, since it is smaller than the sum of its proper divisors (159124972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156122408 is a wasteful number, since it uses less digits than its factorization.

156122408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501196 (or 1501192 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 156122408 is about 12494.8952776724. The cubic root of 156122408 is about 538.4620253141.

The spelling of 156122408 in words is "one hundred fifty-six million, one hundred twenty-two thousand, four hundred eight".