115331345 has 4 divisors (see below), whose sum is σ = 138397620. Its totient is φ = 92265072.

The previous prime is 115331317. The next prime is 115331353. The reversal of 115331345 is 543133511.

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 14348944 + 100982401 = 3788^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 115331345 - 2¹² = 115327249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11533130 + ... + 11533139.

It is an arithmetic number, because the mean of its divisors is an integer number (34599405).

Almost surely, 2^115331345 is an apocalyptic number.

It is an amenable number.

115331345 is a deficient number, since it is larger than the sum of its proper divisors (23066275).

115331345 is an equidigital number, since it uses as much as digits as its factorization.

115331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23066274.

The product of its digits is 2700, while the sum is 26.

The square root of 115331345 is about 10739.2432228719. The cubic root of 115331345 is about 486.7610122858.

Adding to 115331345 its reverse (543133511), we get a palindrome (658464856).

The spelling of 115331345 in words is "one hundred fifteen million, three hundred thirty-one thousand, three hundred forty-five".