445453396 has 6 divisors (see below), whose sum is σ = 779543450. Its totient is φ = 222726696.

The previous prime is 445453381. The next prime is 445453399. The reversal of 445453396 is 693354544.

It can be written as a sum of positive squares in only one way, i.e., 432057796 + 13395600 = 20786^2 + 3660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445453399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55681671 + ... + 55681678.

Almost surely, 2^445453396 is an apocalyptic number.

It is an amenable number.

445453396 is a deficient number, since it is larger than the sum of its proper divisors (334090054).

445453396 is a wasteful number, since it uses less digits than its factorization.

445453396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111363353 (or 111363351 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 445453396 is about 21105.7668896442. The cubic root of 445453396 is about 763.7198725396.

The spelling of 445453396 in words is "four hundred forty-five million, four hundred fifty-three thousand, three hundred ninety-six".