115406243 has 2 divisors, whose sum is σ = 115406244. Its totient is φ = 115406242.

The previous prime is 115406201. The next prime is 115406299. The reversal of 115406243 is 342604511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115406243 - 2²² = 111211939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115406843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57703121 + 57703122.

It is an arithmetic number, because the mean of its divisors is an integer number (57703122).

Almost surely, 2^115406243 is an apocalyptic number.

115406243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115406243 is an equidigital number, since it uses as much as digits as its factorization.

115406243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 115406243 is about 10742.7297741310. The cubic root of 115406243 is about 486.8663595850.

The spelling of 115406243 in words is "one hundred fifteen million, four hundred six thousand, two hundred forty-three".