445313544 has 64 divisors (see below), whose sum is σ = 1206690240. Its totient is φ = 136131840.

The previous prime is 445313527. The next prime is 445313569.

It is a happy number.

445313544 is nontrivially palindromic in base 10.

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, 44439 + ... + 53529.

It is an arithmetic number, because the mean of its divisors is an integer number (18854535).

Almost surely, 2^445313544 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 445313544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603345120).

445313544 is an abundant number, since it is smaller than the sum of its proper divisors (761376696).

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

445313544 is a wasteful number, since it uses less digits than its factorization.

445313544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270 (or 9266 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 445313544 is about 21102.4535066423. The cubic root of 445313544 is about 763.6399397998.

The spelling of 445313544 in words is "four hundred forty-five million, three hundred thirteen thousand, five hundred forty-four".