115447643 has 2 divisors, whose sum is σ = 115447644. Its totient is φ = 115447642.

The previous prime is 115447613. The next prime is 115447669. The reversal of 115447643 is 346744511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115447643 - 2¹⁰ = 115446619 is a prime.

It is not a weakly prime, because it can be changed into another prime (115447613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57723821 + 57723822.

It is an arithmetic number, because the mean of its divisors is an integer number (57723822).

Almost surely, 2^115447643 is an apocalyptic number.

115447643 is a deficient number, since it is larger than the sum of its proper divisors (1).

115447643 is an equidigital number, since it uses as much as digits as its factorization.

115447643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 115447643 is about 10744.6564859003. The cubic root of 115447643 is about 486.9245709290.

The spelling of 115447643 in words is "one hundred fifteen million, four hundred forty-seven thousand, six hundred forty-three".