115163243 has 4 divisors (see below), whose sum is σ = 124021968. Its totient is φ = 106304520.

The previous prime is 115163239. The next prime is 115163281. The reversal of 115163243 is 342361511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115163243 - 2² = 115163239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115163443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429343 + ... + 4429368.

It is an arithmetic number, because the mean of its divisors is an integer number (31005492).

Almost surely, 2^115163243 is an apocalyptic number.

115163243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115163243 is a deficient number, since it is larger than the sum of its proper divisors (8858725).

115163243 is an equidigital number, since it uses as much as digits as its factorization.

115163243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858724.

The product of its digits is 2160, while the sum is 26.

The square root of 115163243 is about 10731.4138397510. The cubic root of 115163243 is about 486.5244033309.

The spelling of 115163243 in words is "one hundred fifteen million, one hundred sixty-three thousand, two hundred forty-three".