115812243 has 6 divisors (see below), whose sum is σ = 167284364. Its totient is φ = 77208156.

The previous prime is 115812233. The next prime is 115812259. The reversal of 115812243 is 342218511.

It is not a de Polignac number, because 115812243 - 2⁴ = 115812227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115812223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6434005 + ... + 6434022.

Almost surely, 2^115812243 is an apocalyptic number.

115812243 is a deficient number, since it is larger than the sum of its proper divisors (51472121).

115812243 is a wasteful number, since it uses less digits than its factorization.

115812243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868033 (or 12868030 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 115812243 is about 10761.6096844292. The cubic root of 115812243 is about 487.4366245031.

It can be divided in two parts, 11581 and 2243, that added together give a cube (13824 = 24³).

The spelling of 115812243 in words is "one hundred fifteen million, eight hundred twelve thousand, two hundred forty-three".