115144251 has 4 divisors (see below), whose sum is σ = 153525672. Its totient is φ = 76762832.

The previous prime is 115144241. The next prime is 115144283. The reversal of 115144251 is 152441511.

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 115144251 - 2⁹ = 115143739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115144231) 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, 19190706 + ... + 19190711.

It is an arithmetic number, because the mean of its divisors is an integer number (38381418).

Almost surely, 2^115144251 is an apocalyptic number.

115144251 is a deficient number, since it is larger than the sum of its proper divisors (38381421).

115144251 is an equidigital number, since it uses as much as digits as its factorization.

115144251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38381420.

The product of its digits is 800, while the sum is 24.

The square root of 115144251 is about 10730.5289245218. The cubic root of 115144251 is about 486.4976570092.

Adding to 115144251 its reverse (152441511), we get a palindrome (267585762).

The spelling of 115144251 in words is "one hundred fifteen million, one hundred forty-four thousand, two hundred fifty-one".