445080 has 32 divisors (see below), whose sum is σ = 1335600. Its totient is φ = 118656.

The previous prime is 445069. The next prime is 445087. The reversal of 445080 is 80544.

445080 = T₅₁ + T₅₂ + ... + T₁₄₀.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445087) 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, 1735 + ... + 1974.

2⁴⁴⁵⁰⁸⁰ is an apocalyptic number.

445080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445080 is an abundant number, since it is smaller than the sum of its proper divisors (890520).

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

445080 is a wasteful number, since it uses less digits than its factorization.

445080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 445080 is about 667.1431630467. The cubic root of 445080 is about 76.3506419860.

The spelling of 445080 in words is "four hundred forty-five thousand, eighty".