115313145 has 32 divisors (see below), whose sum is σ = 194890752. Its totient is φ = 58103232.

The previous prime is 115313131. The next prime is 115313153. The reversal of 115313145 is 541313511.

It is not a de Polignac number, because 115313145 - 2⁹ = 115312633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26622 + ... + 30648.

It is an arithmetic number, because the mean of its divisors is an integer number (6090336).

Almost surely, 2^115313145 is an apocalyptic number.

115313145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115313145 is a deficient number, since it is larger than the sum of its proper divisors (79577607).

115313145 is a wasteful number, since it uses less digits than its factorization.

115313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141.

The product of its digits is 900, while the sum is 24.

The square root of 115313145 is about 10738.3958299180. The cubic root of 115313145 is about 486.7354063055.

Adding to 115313145 its reverse (541313511), we get a palindrome (656626656).

The spelling of 115313145 in words is "one hundred fifteen million, three hundred thirteen thousand, one hundred forty-five".