445585 has 16 divisors (see below), whose sum is σ = 633600. Its totient is φ = 294336.

The previous prime is 445583. The next prime is 445589. The reversal of 445585 is 585544.

It is not a de Polignac number, because 445585 - 2¹ = 445583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445583) 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, 796 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2⁴⁴⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

445585 is a deficient number, since it is larger than the sum of its proper divisors (188015).

445585 is a wasteful number, since it uses less digits than its factorization.

445585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 16000, while the sum is 31.

The square root of 445585 is about 667.5215352331. The cubic root of 445585 is about 76.3795075838.

The spelling of 445585 in words is "four hundred forty-five thousand, five hundred eighty-five".