156213024004 has 24 divisors (see below), whose sum is σ = 292319434008. Its totient is φ = 72784166400.

The previous prime is 156213024001. The next prime is 156213024043. The reversal of 156213024004 is 400420312651.

It can be written as a sum of positive squares in 4 ways, for example, as 102625403904 + 53587620100 = 320352^2 + 231490^2 .

It is not an unprimeable number, because it can be changed into a prime (156213024001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11365659 + ... + 11379394.

It is an arithmetic number, because the mean of its divisors is an integer number (12179976417).

Almost surely, 2^156213024004 is an apocalyptic number.

It is an amenable number.

156213024004 is a deficient number, since it is larger than the sum of its proper divisors (136106410004).

156213024004 is a wasteful number, since it uses less digits than its factorization.

156213024004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22745175 (or 22745173 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 156213024004 its reverse (400420312651), we get a palindrome (556633336655).

The spelling of 156213024004 in words is "one hundred fifty-six billion, two hundred thirteen million, twenty-four thousand, four".