115945669 has 8 divisors (see below), whose sum is σ = 132585408. Its totient is φ = 99324960.

The previous prime is 115945651. The next prime is 115945721. The reversal of 115945669 is 966549511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115945669 - 2⁵ = 115945637 is a prime.

It is a super-2 number, since 2×115945669² = 26886796319715122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115945069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12474 + ... + 19684.

It is an arithmetic number, because the mean of its divisors is an integer number (16573176).

Almost surely, 2^115945669 is an apocalyptic number.

It is an amenable number.

115945669 is a deficient number, since it is larger than the sum of its proper divisors (16639739).

115945669 is an equidigital number, since it uses as much as digits as its factorization.

115945669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515.

The product of its digits is 291600, while the sum is 46.

The square root of 115945669 is about 10767.8070655078. The cubic root of 115945669 is about 487.6237427712.

The spelling of 115945669 in words is "one hundred fifteen million, nine hundred forty-five thousand, six hundred sixty-nine".