445148081832 has 32 divisors (see below), whose sum is σ = 1114633903680. Its totient is φ = 148147534080.

The previous prime is 445148081773. The next prime is 445148081881. The reversal of 445148081832 is 238180841544.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14682033 + ... + 14712320.

It is an arithmetic number, because the mean of its divisors is an integer number (34832309490).

Almost surely, 2^445148081832 is an apocalyptic number.

It is an amenable number.

445148081832 is an abundant number, since it is smaller than the sum of its proper divisors (669485821848).

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

445148081832 is a wasteful number, since it uses less digits than its factorization.

445148081832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29394993 (or 29394989 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 445148081832 in words is "four hundred forty-five billion, one hundred forty-eight million, eighty-one thousand, eight hundred thirty-two".