445992705 has 48 divisors (see below), whose sum is σ = 823665024. Its totient is φ = 222466560.

The previous prime is 445992661. The next prime is 445992731. The reversal of 445992705 is 507299544.

It is not a de Polignac number, because 445992705 - 2⁹ = 445992193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126010 + ... + 129500.

It is an arithmetic number, because the mean of its divisors is an integer number (17159688).

Almost surely, 2^445992705 is an apocalyptic number.

445992705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445992705 is a deficient number, since it is larger than the sum of its proper divisors (377672319).

445992705 is a wasteful number, since it uses less digits than its factorization.

445992705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 445992705 is about 21118.5393671059. The cubic root of 445992705 is about 764.0279593077.

The spelling of 445992705 in words is "four hundred forty-five million, nine hundred ninety-two thousand, seven hundred five".