445412 has 24 divisors (see below), whose sum is σ = 870912. Its totient is φ = 197600.

The previous prime is 445363. The next prime is 445427. The reversal of 445412 is 214544.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445412.

It is an unprimeable number.

445412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (36288).

2⁴⁴⁵⁴¹² is an apocalyptic number.

It is an amenable number.

445412 is a deficient number, since it is larger than the sum of its proper divisors (425500).

445412 is a wasteful number, since it uses less digits than its factorization.

445412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 445412 is about 667.3919388186. The cubic root of 445412 is about 76.3696214302.

Adding to 445412 its reverse (214544), we get a palindrome (659956).

The spelling of 445412 in words is "four hundred forty-five thousand, four hundred twelve".