445332140 has 24 divisors (see below), whose sum is σ = 1020215952. Its totient is φ = 161938880.

The previous prime is 445332133. The next prime is 445332161. The reversal of 445332140 is 41233544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011899 + ... + 1012338.

It is an arithmetic number, because the mean of its divisors is an integer number (42508998).

Almost surely, 2^445332140 is an apocalyptic number.

It is an amenable number.

445332140 is an abundant number, since it is smaller than the sum of its proper divisors (574883812).

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

445332140 is a wasteful number, since it uses less digits than its factorization.

445332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024257 (or 2024255 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 445332140 is about 21102.8941143152. The cubic root of 445332140 is about 763.6505693520.

Adding to 445332140 its reverse (41233544), we get a palindrome (486565684).

The spelling of 445332140 in words is "four hundred forty-five million, three hundred thirty-two thousand, one hundred forty".