115457669 has 2 divisors, whose sum is σ = 115457670. Its totient is φ = 115457668.

The previous prime is 115457663. The next prime is 115457701. The reversal of 115457669 is 966754511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 1181569 = 10690^2 + 1087^2 .

It is an emirp because it is prime and its reverse (966754511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115457669 - 2⁸ = 115457413 is a prime.

It is a super-2 number, since 2×115457669² = 26660946661827122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115457663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57728834 + 57728835.

It is an arithmetic number, because the mean of its divisors is an integer number (57728835).

Almost surely, 2^115457669 is an apocalyptic number.

It is an amenable number.

115457669 is a deficient number, since it is larger than the sum of its proper divisors (1).

115457669 is an equidigital number, since it uses as much as digits as its factorization.

115457669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 115457669 is about 10745.1230332649. The cubic root of 115457669 is about 486.9386661047.

The spelling of 115457669 in words is "one hundred fifteen million, four hundred fifty-seven thousand, six hundred sixty-nine".