115326157 has 2 divisors, whose sum is σ = 115326158. Its totient is φ = 115326156.

The previous prime is 115326131. The next prime is 115326187. The reversal of 115326157 is 751623511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115326121 + 36 = 10739^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115326157 is a prime.

It is equal to p_6590254 and since 115326157 and 6590254 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115326187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57663078 + 57663079.

It is an arithmetic number, because the mean of its divisors is an integer number (57663079).

Almost surely, 2^115326157 is an apocalyptic number.

It is an amenable number.

115326157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115326157 is an equidigital number, since it uses as much as digits as its factorization.

115326157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 115326157 is about 10739.0016761336. The cubic root of 115326157 is about 486.7537134490.

Adding to 115326157 its reverse (751623511), we get a palindrome (866949668).

It can be divided in two parts, 11532 and 6157, that added together give a square (17689 = 133²).

The spelling of 115326157 in words is "one hundred fifteen million, three hundred twenty-six thousand, one hundred fifty-seven".