445505332 has 48 divisors (see below), whose sum is σ = 843816960. Its totient is φ = 205051392.

The previous prime is 445505297. The next prime is 445505341. The reversal of 445505332 is 233505544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445505294 and 445505303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681918 + ... + 682570.

It is an arithmetic number, because the mean of its divisors is an integer number (17579520).

Almost surely, 2^445505332 is an apocalyptic number.

It is an amenable number.

445505332 is a deficient number, since it is larger than the sum of its proper divisors (398311628).

445505332 is a wasteful number, since it uses less digits than its factorization.

445505332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 445505332 is about 21106.9972284075. The cubic root of 445505332 is about 763.7495524225.

The spelling of 445505332 in words is "four hundred forty-five million, five hundred five thousand, three hundred thirty-two".