445445112 has 64 divisors (see below), whose sum is σ = 1280401920. Its totient is φ = 126499968.

The previous prime is 445445111. The next prime is 445445137. The reversal of 445445112 is 211544544.

It is a self number, because there is not a number n which added to its sum of digits gives 445445112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445445111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20118 + ... + 35994.

It is an arithmetic number, because the mean of its divisors is an integer number (20006280).

Almost surely, 2^445445112 is an apocalyptic number.

445445112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445445112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640200960).

445445112 is an abundant number, since it is smaller than the sum of its proper divisors (834956808).

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

445445112 is a wasteful number, since it uses less digits than its factorization.

445445112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060 (or 16056 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 445445112 is about 21105.5706390517. The cubic root of 445445112 is about 763.7151382660.

Adding to 445445112 its reverse (211544544), we get a palindrome (656989656).

The spelling of 445445112 in words is "four hundred forty-five million, four hundred forty-five thousand, one hundred twelve".