445315884 has 48 divisors (see below), whose sum is σ = 1184829408. Its totient is φ = 128959488.

The previous prime is 445315877. The next prime is 445315889. The reversal of 445315884 is 488513544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445315889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81307 + ... + 86610.

It is an arithmetic number, because the mean of its divisors is an integer number (24683946).

Almost surely, 2^445315884 is an apocalyptic number.

It is an amenable number.

445315884 is an abundant number, since it is smaller than the sum of its proper divisors (739513524).

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

445315884 is a wasteful number, since it uses less digits than its factorization.

445315884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167954 (or 167952 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 445315884 is about 21102.5089503594. The cubic root of 445315884 is about 763.6412773699.

The spelling of 445315884 in words is "four hundred forty-five million, three hundred fifteen thousand, eight hundred eighty-four".