115339243 has 2 divisors, whose sum is σ = 115339244. Its totient is φ = 115339242.

The previous prime is 115339223. The next prime is 115339303. The reversal of 115339243 is 342933511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115339243 - 2²⁵ = 81784811 is a prime.

It is not a weakly prime, because it can be changed into another prime (115339223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57669621 + 57669622.

It is an arithmetic number, because the mean of its divisors is an integer number (57669622).

Almost surely, 2^115339243 is an apocalyptic number.

115339243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115339243 is an equidigital number, since it uses as much as digits as its factorization.

115339243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 115339243 is about 10739.6109333625. The cubic root of 115339243 is about 486.7721233176.

The spelling of 115339243 in words is "one hundred fifteen million, three hundred thirty-nine thousand, two hundred forty-three".