445965 has 16 divisors (see below), whose sum is σ = 768768. Its totient is φ = 219456.

The previous prime is 445943. The next prime is 445967. The reversal of 445965 is 569544.

It is not a de Polignac number, because 445965 - 2⁹ = 445453 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445965.

It is not an unprimeable number, because it can be changed into a prime (445967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (48048).

2⁴⁴⁵⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

445965 is a deficient number, since it is larger than the sum of its proper divisors (322803).

445965 is a wasteful number, since it uses less digits than its factorization.

445965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its digits is 21600, while the sum is 33.

The square root of 445965 is about 667.8061095857. The cubic root of 445965 is about 76.4012138546.

The spelling of 445965 in words is "four hundred forty-five thousand, nine hundred sixty-five".