115448239 has 4 divisors (see below), whose sum is σ = 115482640. Its totient is φ = 115413840.

The previous prime is 115448213. The next prime is 115448261. The reversal of 115448239 is 932844511.

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 115448239 - 2¹⁵ = 115415471 is a prime.

It is a super-2 number, since 2×115448239² = 26656591776402242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115448198 and 115448207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115448209) 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, 11547 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (28870660).

Almost surely, 2^115448239 is an apocalyptic number.

115448239 is a deficient number, since it is larger than the sum of its proper divisors (34401).

115448239 is an equidigital number, since it uses as much as digits as its factorization.

115448239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34400.

The product of its digits is 34560, while the sum is 37.

The square root of 115448239 is about 10744.6842205809. The cubic root of 115448239 is about 486.9254088458.

The spelling of 115448239 in words is "one hundred fifteen million, four hundred forty-eight thousand, two hundred thirty-nine".