445443108 has 72 divisors (see below), whose sum is σ = 1150112544. Its totient is φ = 134174480.

The previous prime is 445443107. The next prime is 445443143. The reversal of 445443108 is 801344544.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (445443107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667241 + ... + 2667407.

Almost surely, 2^445443108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445443108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575056272).

445443108 is an abundant number, since it is smaller than the sum of its proper divisors (704669436).

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

445443108 is a wasteful number, since it uses less digits than its factorization.

445443108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 445443108 is about 21105.5231633807. The cubic root of 445443108 is about 763.7139929791.

Multiplying 445443108 by its sum of digits (33), we get a square (14699622564 = 121242²).

445443108 divided by its sum of digits (33) gives a square (13498276 = 3674²).

The spelling of 445443108 in words is "four hundred forty-five million, four hundred forty-three thousand, one hundred eight".