445345313 has 8 divisors (see below), whose sum is σ = 535753920. Its totient is φ = 361633680.

The previous prime is 445345301. The next prime is 445345331. The reversal of 445345313 is 313543544.

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 445345313 - 2²⁰ = 444296737 is a prime.

It is a super-2 number, since 2×445345313² = 396664895622135938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445345313.

It is not an unprimeable number, because it can be changed into a prime (445345213) 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, 1674098 + ... + 1674363.

It is an arithmetic number, because the mean of its divisors is an integer number (66969240).

Almost surely, 2^445345313 is an apocalyptic number.

It is an amenable number.

445345313 is a deficient number, since it is larger than the sum of its proper divisors (90408607).

445345313 is a wasteful number, since it uses less digits than its factorization.

445345313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348487.

The product of its digits is 43200, while the sum is 32.

The square root of 445345313 is about 21103.2062255952. The cubic root of 445345313 is about 763.6580989154.

Adding to 445345313 its reverse (313543544), we get a palindrome (758888857).

The spelling of 445345313 in words is "four hundred forty-five million, three hundred forty-five thousand, three hundred thirteen".