445020912 has 80 divisors (see below), whose sum is σ = 1459866880. Its totient is φ = 127147968.

The previous prime is 445020887. The next prime is 445020923. The reversal of 445020912 is 219020544.

445020912 is a `hidden beast` number, since 4 + 450 + 209 + 1 + 2 = 666.

It is a super-2 number, since 2×445020912² = 396087224234623488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70558 + ... + 76605.

It is an arithmetic number, because the mean of its divisors is an integer number (18248336).

Almost surely, 2^445020912 is an apocalyptic number.

445020912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445020912 is an abundant number, since it is smaller than the sum of its proper divisors (1014845968).

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

445020912 is a wasteful number, since it uses less digits than its factorization.

445020912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147187 (or 147175 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 445020912 is about 21095.5187658422. The cubic root of 445020912 is about 763.4726311301.

The spelling of 445020912 in words is "four hundred forty-five million, twenty thousand, nine hundred twelve".