115243235 has 4 divisors (see below), whose sum is σ = 138291888. Its totient is φ = 92194584.

The previous prime is 115243231. The next prime is 115243237. The reversal of 115243235 is 532342511.

It is a happy number.

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 115243235 - 2² = 115243231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115243231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11524319 + ... + 11524328.

It is an arithmetic number, because the mean of its divisors is an integer number (34572972).

Almost surely, 2^115243235 is an apocalyptic number.

115243235 is a deficient number, since it is larger than the sum of its proper divisors (23048653).

115243235 is an equidigital number, since it uses as much as digits as its factorization.

115243235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23048652.

The product of its digits is 3600, while the sum is 26.

The square root of 115243235 is about 10735.1401947064. The cubic root of 115243235 is about 486.6370233294.

Adding to 115243235 its reverse (532342511), we get a palindrome (647585746).

The spelling of 115243235 in words is "one hundred fifteen million, two hundred forty-three thousand, two hundred thirty-five".