320014345 has 12 divisors (see below), whose sum is σ = 446714244. Its totient is φ = 219438240.

The previous prime is 320014337. The next prime is 320014381. The reversal of 320014345 is 543410023.

It can be written as a sum of positive squares in 2 ways, for example, as 223562304 + 96452041 = 14952^2 + 9821^2 .

It is not a de Polignac number, because 320014345 - 2³ = 320014337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652846 + ... + 653335.

It is an arithmetic number, because the mean of its divisors is an integer number (37226187).

Almost surely, 2^320014345 is an apocalyptic number.

320014345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320014345 is a deficient number, since it is larger than the sum of its proper divisors (126699899).

320014345 is a wasteful number, since it uses less digits than its factorization.

320014345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306200 (or 1306193 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 320014345 is about 17888.9447704441. The cubic root of 320014345 is about 684.0005991867. Note that the first 3 decimals are identical.

Adding to 320014345 its reverse (543410023), we get a palindrome (863424368).

The spelling of 320014345 in words is "three hundred twenty million, fourteen thousand, three hundred forty-five".