115229457 has 24 divisors (see below), whose sum is σ = 192366720. Its totient is φ = 65102400.

The previous prime is 115229431. The next prime is 115229461. The reversal of 115229457 is 754922511.

It is a de Polignac number, because none of the positive numbers 2^k-115229457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115229407) 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 23 ways as a sum of consecutive naturals, for example, 4669 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (8015280).

Almost surely, 2^115229457 is an apocalyptic number.

It is an amenable number.

115229457 is a deficient number, since it is larger than the sum of its proper divisors (77137263).

115229457 is a wasteful number, since it uses less digits than its factorization.

115229457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20653 (or 20650 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 115229457 is about 10734.4984512552. The cubic root of 115229457 is about 486.6176291263.

The spelling of 115229457 in words is "one hundred fifteen million, two hundred twenty-nine thousand, four hundred fifty-seven".