445433945 has 8 divisors (see below), whose sum is σ = 583113600. Its totient is φ = 323951920.

The previous prime is 445433921. The next prime is 445433953. The reversal of 445433945 is 549334544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445433945 - 2¹² = 445429849 is a prime.

It is a super-2 number, since 2×445433945² = 396822798716526050, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 4049345 + ... + 4049454.

It is an arithmetic number, because the mean of its divisors is an integer number (72889200).

Almost surely, 2^445433945 is an apocalyptic number.

It is an amenable number.

445433945 is a deficient number, since it is larger than the sum of its proper divisors (137679655).

445433945 is a wasteful number, since it uses less digits than its factorization.

445433945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098815.

The product of its digits is 518400, while the sum is 41.

The square root of 445433945 is about 21105.3060863850. The cubic root of 445433945 is about 763.7087562764.

The spelling of 445433945 in words is "four hundred forty-five million, four hundred thirty-three thousand, nine hundred forty-five".