115156449 has 12 divisors (see below), whose sum is σ = 166625316. Its totient is φ = 76637952.

The previous prime is 115156427. The next prime is 115156493. The reversal of 115156449 is 944651511.

115156449 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 5 + 644 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85377600 + 29778849 = 9240^2 + 5457^2 .

It is not a de Polignac number, because 115156449 - 2¹¹ = 115154401 is a prime.

It is a super-2 number, since 2×115156449² = 26522015492579202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115156949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5452 + ... + 16125.

It is an arithmetic number, because the mean of its divisors is an integer number (13885443).

Almost surely, 2^115156449 is an apocalyptic number.

It is an amenable number.

115156449 is a deficient number, since it is larger than the sum of its proper divisors (51468867).

115156449 is a wasteful number, since it uses less digits than its factorization.

115156449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22176 (or 22173 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 115156449 is about 10731.0972877894. The cubic root of 115156449 is about 486.5148357186.

It can be divided in two parts, 1151 and 56449, that added together give a square (57600 = 240²).

The spelling of 115156449 in words is "one hundred fifteen million, one hundred fifty-six thousand, four hundred forty-nine".