445975 has 6 divisors (see below), whose sum is σ = 553040. Its totient is φ = 356760.

The previous prime is 445969. The next prime is 446003. The reversal of 445975 is 579544.

It is not a de Polignac number, because 445975 - 2³ = 445967 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 445975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8895 + ... + 8944.

2⁴⁴⁵⁹⁷⁵ is an apocalyptic number.

445975 is a deficient number, since it is larger than the sum of its proper divisors (107065).

445975 is a wasteful number, since it uses less digits than its factorization.

445975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849 (or 17844 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 445975 is about 667.8135967469. The cubic root of 445975 is about 76.4017849057.

The spelling of 445975 in words is "four hundred forty-five thousand, nine hundred seventy-five".