445113756 has 72 divisors (see below), whose sum is σ = 1177787520. Its totient is φ = 141471264.

The previous prime is 445113749. The next prime is 445113761. The reversal of 445113756 is 657311544.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 445113756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346291 + ... + 347573.

It is an arithmetic number, because the mean of its divisors is an integer number (16358160).

Almost surely, 2^445113756 is an apocalyptic number.

445113756 is a gapful number since it is divisible by the number (46) 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 445113756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588893760).

445113756 is an abundant number, since it is smaller than the sum of its proper divisors (732673764).

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

445113756 is a wasteful number, since it uses less digits than its factorization.

445113756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1730 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 445113756 is about 21097.7192132230. The cubic root of 445113756 is about 763.5257214623.

The spelling of 445113756 in words is "four hundred forty-five million, one hundred thirteen thousand, seven hundred fifty-six".