115213156 has 24 divisors (see below), whose sum is σ = 203805504. Its totient is φ = 56987040.

The previous prime is 115213139. The next prime is 115213159. The reversal of 115213156 is 651312511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115213156.

It is not an unprimeable number, because it can be changed into a prime (115213159) 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, 228801 + ... + 229303.

It is an arithmetic number, because the mean of its divisors is an integer number (8491896).

Almost surely, 2^115213156 is an apocalyptic number.

It is an amenable number.

115213156 is a deficient number, since it is larger than the sum of its proper divisors (88592348).

115213156 is a wasteful number, since it uses less digits than its factorization.

115213156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

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

The square root of 115213156 is about 10733.7391434672. The cubic root of 115213156 is about 486.5946814986.

Adding to 115213156 its reverse (651312511), we get a palindrome (766525667).

The spelling of 115213156 in words is "one hundred fifteen million, two hundred thirteen thousand, one hundred fifty-six".