115236457 has 4 divisors (see below), whose sum is σ = 131698816. Its totient is φ = 98774100.

The previous prime is 115236437. The next prime is 115236461. The reversal of 115236457 is 754632511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754632511 = 41 ⋅18405671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115236457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115236427) by changing a digit.

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, 8231169 + ... + 8231182.

It is an arithmetic number, because the mean of its divisors is an integer number (32924704).

Almost surely, 2^115236457 is an apocalyptic number.

It is an amenable number.

115236457 is a deficient number, since it is larger than the sum of its proper divisors (16462359).

115236457 is an equidigital number, since it uses as much as digits as its factorization.

115236457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462358.

The product of its digits is 25200, while the sum is 34.

The square root of 115236457 is about 10734.8244978667. The cubic root of 115236457 is about 486.6274826670.

Adding to 115236457 its reverse (754632511), we get a palindrome (869868968).

The spelling of 115236457 in words is "one hundred fifteen million, two hundred thirty-six thousand, four hundred fifty-seven".