115321156 has 24 divisors (see below), whose sum is σ = 207921560. Its totient is φ = 55924992.

The previous prime is 115321153. The next prime is 115321177. The reversal of 115321156 is 651123511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66096900 + 49224256 = 8130^2 + 7016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115321156.

It is not an unprimeable number, because it can be changed into a prime (115321153) 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, 54160 + ... + 56248.

Almost surely, 2^115321156 is an apocalyptic number.

It is an amenable number.

115321156 is a deficient number, since it is larger than the sum of its proper divisors (92600404).

115321156 is a wasteful number, since it uses less digits than its factorization.

115321156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2501 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 115321156 is about 10738.7688307366. The cubic root of 115321156 is about 486.7466774895.

Adding to 115321156 its reverse (651123511), we get a palindrome (766444667).

The spelling of 115321156 in words is "one hundred fifteen million, three hundred twenty-one thousand, one hundred fifty-six".