445180 has 12 divisors (see below), whose sum is σ = 934920. Its totient is φ = 178064.

The previous prime is 445169. The next prime is 445183. The reversal of 445180 is 81544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11110 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (77910).

2⁴⁴⁵¹⁸⁰ is an apocalyptic number.

It is an amenable number.

445180 is an abundant number, since it is smaller than the sum of its proper divisors (489740).

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

445180 is a wasteful number, since it uses less digits than its factorization.

445180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22268 (or 22266 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 445180 is about 667.2181052699. The cubic root of 445180 is about 76.3563596791.

It can be divided in two parts, 445 and 180, that added together give a 4-th power (625 = 5⁴).

The spelling of 445180 in words is "four hundred forty-five thousand, one hundred eighty".