115643464 has 8 divisors (see below), whose sum is σ = 216831510. Its totient is φ = 57821728.

The previous prime is 115643459. The next prime is 115643483. The reversal of 115643464 is 464346511.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 25583364 = 9490^2 + 5058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7227709 + ... + 7227724.

Almost surely, 2^115643464 is an apocalyptic number.

It is an amenable number.

115643464 is a deficient number, since it is larger than the sum of its proper divisors (101188046).

115643464 is a wasteful number, since it uses less digits than its factorization.

115643464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455439 (or 14455435 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 115643464 is about 10753.7651080912. The cubic root of 115643464 is about 487.1997207548.

Adding to 115643464 its reverse (464346511), we get a palindrome (579989975).

The spelling of 115643464 in words is "one hundred fifteen million, six hundred forty-three thousand, four hundred sixty-four".