445675392 has 128 divisors (see below), whose sum is σ = 1346400000. Its totient is φ = 145055232.

The previous prime is 445675387. The next prime is 445675403. The reversal of 445675392 is 293576544.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 147109 + ... + 150107.

It is an arithmetic number, because the mean of its divisors is an integer number (10518750).

Almost surely, 2^445675392 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 445675392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673200000).

445675392 is an abundant number, since it is smaller than the sum of its proper divisors (900724608).

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

445675392 is a wasteful number, since it uses less digits than its factorization.

445675392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3047 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 445675392 is about 21111.0253659077. The cubic root of 445675392 is about 763.8467205269.

The spelling of 445675392 in words is "four hundred forty-five million, six hundred seventy-five thousand, three hundred ninety-two".