445914856 has 8 divisors (see below), whose sum is σ = 836090370. Its totient is φ = 222957424.

The previous prime is 445914841. The next prime is 445914863. The reversal of 445914856 is 658419544.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 248062500 + 197852356 = 15750^2 + 14066^2 .

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

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27869671 + ... + 27869686.

Almost surely, 2^445914856 is an apocalyptic number.

It is an amenable number.

445914856 is a deficient number, since it is larger than the sum of its proper divisors (390175514).

445914856 is a wasteful number, since it uses less digits than its factorization.

445914856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55739363 (or 55739359 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 445914856 is about 21116.6961430997. The cubic root of 445914856 is about 763.9835024717.

The spelling of 445914856 in words is "four hundred forty-five million, nine hundred fourteen thousand, eight hundred fifty-six".