230215156 has 12 divisors (see below), whose sum is σ = 426575268. Its totient is φ = 108336512.

The previous prime is 230215133. The next prime is 230215171. The reversal of 230215156 is 651512032.

It can be written as a sum of positive squares in 2 ways, for example, as 138438756 + 91776400 = 11766^2 + 9580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230215156.

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 3 ways as a sum of consecutive naturals, for example, 1692691 + ... + 1692826.

It is an arithmetic number, because the mean of its divisors is an integer number (35547939).

Almost surely, 2^230215156 is an apocalyptic number.

It is an amenable number.

230215156 is a deficient number, since it is larger than the sum of its proper divisors (196360112).

230215156 is a wasteful number, since it uses less digits than its factorization.

230215156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385538 (or 3385536 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 230215156 is about 15172.8427132163. The cubic root of 230215156 is about 612.8835579545.

Adding to 230215156 its reverse (651512032), we get a palindrome (881727188).

The spelling of 230215156 in words is "two hundred thirty million, two hundred fifteen thousand, one hundred fifty-six".