115242669 has 10 divisors (see below), whose sum is σ = 172152750. Its totient is φ = 76828392.

The previous prime is 115242667. The next prime is 115242697. The reversal of 115242669 is 966242511.

It can be written as a sum of positive squares in only one way, i.e., 108430569 + 6812100 = 10413^2 + 2610^2 .

It is not a de Polignac number, because 115242669 - 2¹ = 115242667 is a prime.

It is a super-2 number, since 2×115242669² = 26561745516487122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115242661) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 711294 + ... + 711455.

It is an arithmetic number, because the mean of its divisors is an integer number (17215275).

Almost surely, 2^115242669 is an apocalyptic number.

It is an amenable number.

115242669 is a deficient number, since it is larger than the sum of its proper divisors (56910081).

115242669 is an equidigital number, since it uses as much as digits as its factorization.

115242669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422761 (or 1422752 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 115242669 is about 10735.1138326522. The cubic root of 115242669 is about 486.6362266464.

The spelling of 115242669 in words is "one hundred fifteen million, two hundred forty-two thousand, six hundred sixty-nine".