115302157 has 4 divisors (see below), whose sum is σ = 116210176. Its totient is φ = 114394140.

The previous prime is 115302119. The next prime is 115302167. The reversal of 115302157 is 751203511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115302157 - 2²³ = 106913549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115302167) 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, 453819 + ... + 454072.

It is an arithmetic number, because the mean of its divisors is an integer number (29052544).

Almost surely, 2^115302157 is an apocalyptic number.

It is an amenable number.

115302157 is a deficient number, since it is larger than the sum of its proper divisors (908019).

115302157 is an equidigital number, since it uses as much as digits as its factorization.

115302157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908018.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 115302157 is about 10737.8841956877. The cubic root of 115302157 is about 486.7199457422.

Adding to 115302157 its reverse (751203511), we get a palindrome (866505668).

The spelling of 115302157 in words is "one hundred fifteen million, three hundred two thousand, one hundred fifty-seven".