445216 has 12 divisors (see below), whose sum is σ = 876582. Its totient is φ = 222592.

The previous prime is 445199. The next prime is 445229. The reversal of 445216 is 612544.

It can be written as a sum of positive squares in only one way, i.e., 355216 + 90000 = 596^2 + 300^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925 + ... + 6988.

2⁴⁴⁵²¹⁶ is an apocalyptic number.

It is an amenable number.

445216 is a deficient number, since it is larger than the sum of its proper divisors (431366).

445216 is a wasteful number, since it uses less digits than its factorization.

445216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923 (or 13915 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 445216 is about 667.2450824098. The cubic root of 445216 is about 76.3584178389.

The spelling of 445216 in words is "four hundred forty-five thousand, two hundred sixteen".