445745633557302 has 144 divisors (see below), whose sum is σ = 1091369532258720. Its totient is φ = 131175806141952.

The previous prime is 445745633557271. The next prime is 445745633557319. The reversal of 445745633557302 is 203755336547544.

It is a happy number.

445745633557302 is a `hidden beast` number, since 4 + 4 + 5 + 7 + 4 + 56 + 3 + 3 + 5 + 573 + 0 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 445745633557302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 687651724 + ... + 688299632.

It is an arithmetic number, because the mean of its divisors is an integer number (7578955085130).

Almost surely, 2^{445745633557302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445745633557302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545684766129360).

445745633557302 is an abundant number, since it is smaller than the sum of its proper divisors (645623898701418).

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

445745633557302 is a wasteful number, since it uses less digits than its factorization.

445745633557302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657799 (or 657783 counting only the distinct ones).

The product of its (nonzero) digits is 635040000, while the sum is 63.

The spelling of 445745633557302 in words is "four hundred forty-five trillion, seven hundred forty-five billion, six hundred thirty-three million, five hundred fifty-seven thousand, three hundred two".