445854 has 16 divisors (see below), whose sum is σ = 938880. Its totient is φ = 140760.

The previous prime is 445853. The next prime is 445871. The reversal of 445854 is 458544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (58680).

2⁴⁴⁵⁸⁵⁴ is an apocalyptic number.

445854 is an abundant number, since it is smaller than the sum of its proper divisors (493026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445854 is a wasteful number, since it uses less digits than its factorization.

445854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its digits is 12800, while the sum is 30.

The square root of 445854 is about 667.7229964589. The cubic root of 445854 is about 76.3948746139.

The spelling of 445854 in words is "four hundred forty-five thousand, eight hundred fifty-four".