445116657 has 4 divisors (see below), whose sum is σ = 593488880. Its totient is φ = 296744436.

The previous prime is 445116653. The next prime is 445116673. The reversal of 445116657 is 756611544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 445116657 - 2² = 445116653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445116653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74186107 + ... + 74186112.

It is an arithmetic number, because the mean of its divisors is an integer number (148372220).

Almost surely, 2^445116657 is an apocalyptic number.

It is an amenable number.

445116657 is a deficient number, since it is larger than the sum of its proper divisors (148372223).

445116657 is a wasteful number, since it uses less digits than its factorization.

445116657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148372222.

The product of its digits is 100800, while the sum is 39.

The square root of 445116657 is about 21097.7879646185. The cubic root of 445116657 is about 763.5273802018.

The spelling of 445116657 in words is "four hundred forty-five million, one hundred sixteen thousand, six hundred fifty-seven".