445908312 has 96 divisors (see below), whose sum is σ = 1261774800. Its totient is φ = 142117632.

The previous prime is 445908299. The next prime is 445908319. The reversal of 445908312 is 213809544.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445908319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155758 + ... + 158594.

Almost surely, 2^445908312 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 445908312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630887400).

445908312 is an abundant number, since it is smaller than the sum of its proper divisors (815866488).

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

445908312 is a wasteful number, since it uses less digits than its factorization.

445908312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 445908312 is about 21116.5411940497. The cubic root of 445908312 is about 763.9797651869.

The spelling of 445908312 in words is "four hundred forty-five million, nine hundred eight thousand, three hundred twelve".