115343237 has 4 divisors (see below), whose sum is σ = 119320620. Its totient is φ = 111365856.

The previous prime is 115343231. The next prime is 115343251. The reversal of 115343237 is 732343511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84529636 + 30813601 = 9194^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 115343237 - 2²⁴ = 98566021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3977353 = 115343237 / (1 + 1 + 5 + 3 + 4 + 3 + 2 + 3 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115343231) 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, 1988648 + ... + 1988705.

It is an arithmetic number, because the mean of its divisors is an integer number (29830155).

Almost surely, 2^115343237 is an apocalyptic number.

It is an amenable number.

115343237 is a deficient number, since it is larger than the sum of its proper divisors (3977383).

115343237 is an equidigital number, since it uses as much as digits as its factorization.

115343237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977382.

The product of its digits is 7560, while the sum is 29.

The square root of 115343237 is about 10739.7968788986. The cubic root of 115343237 is about 486.7777419471. Note that the first 4 decimals are identical.

Adding to 115343237 its reverse (732343511), we get a palindrome (847686748).

The spelling of 115343237 in words is "one hundred fifteen million, three hundred forty-three thousand, two hundred thirty-seven".