115646644 has 6 divisors (see below), whose sum is σ = 202381634. Its totient is φ = 57823320.

The previous prime is 115646633. The next prime is 115646653. The reversal of 115646644 is 446646511.

It can be written as a sum of positive squares in only one way, i.e., 91929744 + 23716900 = 9588^2 + 4870^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14455827 + ... + 14455834.

Almost surely, 2^115646644 is an apocalyptic number.

It is an amenable number.

115646644 is a deficient number, since it is larger than the sum of its proper divisors (86734990).

115646644 is a wasteful number, since it uses less digits than its factorization.

115646644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28911665 (or 28911663 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 115646644 is about 10753.9129622663. The cubic root of 115646644 is about 487.2041864371.

The spelling of 115646644 in words is "one hundred fifteen million, six hundred forty-six thousand, six hundred forty-four".