445368746 has 4 divisors (see below), whose sum is σ = 668053122. Its totient is φ = 222684372.

The previous prime is 445368739. The next prime is 445368751. The reversal of 445368746 is 647863544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 424566025 + 20802721 = 20605^2 + 4561^2 .

It is a super-2 number, since 2×445368746² = 396706639827225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445368746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111342185 + ... + 111342188.

Almost surely, 2^445368746 is an apocalyptic number.

445368746 is a deficient number, since it is larger than the sum of its proper divisors (222684376).

445368746 is a wasteful number, since it uses less digits than its factorization.

445368746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222684375.

The product of its digits is 1935360, while the sum is 47.

The square root of 445368746 is about 21103.7614182875. The cubic root of 445368746 is about 763.6714926317.

The spelling of 445368746 in words is "four hundred forty-five million, three hundred sixty-eight thousand, seven hundred forty-six".