156289996 has 24 divisors (see below), whose sum is σ = 278175744. Its totient is φ = 76820880.

The previous prime is 156289949. The next prime is 156289999. The reversal of 156289996 is 699982651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (156289999) 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 7 ways as a sum of consecutive naturals, for example, 72981 + ... + 75091.

It is an arithmetic number, because the mean of its divisors is an integer number (11590656).

Almost surely, 2^156289996 is an apocalyptic number.

It is an amenable number.

156289996 is a deficient number, since it is larger than the sum of its proper divisors (121885748).

156289996 is a wasteful number, since it uses less digits than its factorization.

156289996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2419 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 55.

The square root of 156289996 is about 12501.5997376336. The cubic root of 156289996 is about 538.6546252645.

The spelling of 156289996 in words is "one hundred fifty-six million, two hundred eighty-nine thousand, nine hundred ninety-six".