115163239 has 2 divisors, whose sum is σ = 115163240. Its totient is φ = 115163238.

The previous prime is 115163197. The next prime is 115163281. The reversal of 115163239 is 932361511.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (115163197) and next prime (115163281).

It is a cyclic number.

It is not a de Polignac number, because 115163239 - 2¹¹ = 115161191 is a prime.

It is a super-2 number, since 2×115163239² = 26525143233942242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115163239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115163299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57581619 + 57581620.

It is an arithmetic number, because the mean of its divisors is an integer number (57581620).

Almost surely, 2^115163239 is an apocalyptic number.

115163239 is a deficient number, since it is larger than the sum of its proper divisors (1).

115163239 is an equidigital number, since it uses as much as digits as its factorization.

115163239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 115163239 is about 10731.4136533823. The cubic root of 115163239 is about 486.5243976981.

The spelling of 115163239 in words is "one hundred fifteen million, one hundred sixty-three thousand, two hundred thirty-nine".