115543469 has 2 divisors, whose sum is σ = 115543470. Its totient is φ = 115543468.

The previous prime is 115543447. The next prime is 115543487. The reversal of 115543469 is 964345511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75030244 + 40513225 = 8662^2 + 6365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115543469 is a prime.

It is a super-2 number, since 2×115543469² = 26700586457107922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (115543429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57771734 + 57771735.

It is an arithmetic number, because the mean of its divisors is an integer number (57771735).

Almost surely, 2^115543469 is an apocalyptic number.

It is an amenable number.

115543469 is a deficient number, since it is larger than the sum of its proper divisors (1).

115543469 is an equidigital number, since it uses as much as digits as its factorization.

115543469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 115543469 is about 10749.1148007638. The cubic root of 115543469 is about 487.0592557345.

The spelling of 115543469 in words is "one hundred fifteen million, five hundred forty-three thousand, four hundred sixty-nine".