304243000345 has 4 divisors (see below), whose sum is σ = 365091600420. Its totient is φ = 243394400272.

The previous prime is 304243000331. The next prime is 304243000417. The reversal of 304243000345 is 543000342403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197188395481 + 107054604864 = 444059^2 + 327192^2 .

It is a cyclic number.

It is not a de Polignac number, because 304243000345 - 2³⁷ = 166804046873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30424300030 + ... + 30424300039.

It is an arithmetic number, because the mean of its divisors is an integer number (91272900105).

Almost surely, 2^304243000345 is an apocalyptic number.

It is an amenable number.

304243000345 is a deficient number, since it is larger than the sum of its proper divisors (60848600075).

304243000345 is an equidigital number, since it uses as much as digits as its factorization.

304243000345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60848600074.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 304243000345 its reverse (543000342403), we get a palindrome (847243342748).

The spelling of 304243000345 in words is "three hundred four billion, two hundred forty-three million, three hundred forty-five", and thus it is an aban number.