156038436 has 18 divisors (see below), whose sum is σ = 394430582. Its totient is φ = 52012800.

The previous prime is 156038429. The next prime is 156038447. The reversal of 156038436 is 634830651.

156038436 is a `hidden beast` number, since 1 + 5 + 603 + 8 + 43 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85377600 + 70660836 = 9240^2 + 8406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4334401 = 156038436 / (1 + 5 + 6 + 0 + 3 + 8 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 156038436.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2167165 + ... + 2167236.

Almost surely, 2^156038436 is an apocalyptic number.

It is an amenable number.

156038436 is an abundant number, since it is smaller than the sum of its proper divisors (238392146).

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

156038436 is a wasteful number, since it uses less digits than its factorization.

156038436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334411 (or 4334406 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 156038436 is about 12491.5345734621. The cubic root of 156038436 is about 538.3654689372.

The spelling of 156038436 in words is "one hundred fifty-six million, thirty-eight thousand, four hundred thirty-six".