445306313 has 8 divisors (see below), whose sum is σ = 472096800. Its totient is φ = 418582080.

The previous prime is 445306261. The next prime is 445306327. The reversal of 445306313 is 313603544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445306313 - 2¹² = 445302217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445306343) 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, 2363 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (59012100).

Almost surely, 2^445306313 is an apocalyptic number.

It is an amenable number.

445306313 is a deficient number, since it is larger than the sum of its proper divisors (26790487).

445306313 is a wasteful number, since it uses less digits than its factorization.

445306313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33127.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 445306313 is about 21102.2821751582. The cubic root of 445306313 is about 763.6358064497.

Adding to 445306313 its reverse (313603544), we get a palindrome (758909857).

The spelling of 445306313 in words is "four hundred forty-five million, three hundred six thousand, three hundred thirteen".