115287243 has 8 divisors (see below), whose sum is σ = 156616848. Its totient is φ = 75407904.

The previous prime is 115287241. The next prime is 115287253. The reversal of 115287243 is 342782511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115287243 - 2¹ = 115287241 is a prime.

It is a super-2 number, since 2×115287243² = 26582296797082098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115287241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362380 + ... + 362697.

It is an arithmetic number, because the mean of its divisors is an integer number (19577106).

Almost surely, 2^115287243 is an apocalyptic number.

115287243 is a deficient number, since it is larger than the sum of its proper divisors (41329605).

115287243 is an equidigital number, since it uses as much as digits as its factorization.

115287243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725133.

The product of its digits is 13440, while the sum is 33.

The square root of 115287243 is about 10737.1897161222. The cubic root of 115287243 is about 486.6989595656.

The spelling of 115287243 in words is "one hundred fifteen million, two hundred eighty-seven thousand, two hundred forty-three".