445316 has 12 divisors (see below), whose sum is σ = 785232. Its totient is φ = 220968.

The previous prime is 445307. The next prime is 445321. The reversal of 445316 is 613544.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 445291 and 445300.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445316.

It is an unprimeable number.

445316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (65436).

2⁴⁴⁵³¹⁶ is an apocalyptic number.

It is an amenable number.

445316 is a deficient number, since it is larger than the sum of its proper divisors (339916).

445316 is a wasteful number, since it uses less digits than its factorization.

445316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 445316 is about 667.3200131871. The cubic root of 445316 is about 76.3641343677.

The spelling of 445316 in words is "four hundred forty-five thousand, three hundred sixteen".