445170444 has 12 divisors (see below), whose sum is σ = 1038731064. Its totient is φ = 148390144.

The previous prime is 445170419. The next prime is 445170457. The reversal of 445170444 is 444071544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×445170444² = 396353448422314272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18548757 + ... + 18548780.

It is an arithmetic number, because the mean of its divisors is an integer number (86560922).

Almost surely, 2^445170444 is an apocalyptic number.

It is an amenable number.

445170444 is an abundant number, since it is smaller than the sum of its proper divisors (593560620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445170444 is a wasteful number, since it uses less digits than its factorization.

445170444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37097544 (or 37097542 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 445170444 is about 21099.0626332072. The cubic root of 445170444 is about 763.5581333332.

The spelling of 445170444 in words is "four hundred forty-five million, one hundred seventy thousand, four hundred forty-four".