304307345 has 16 divisors (see below), whose sum is σ = 379803072. Its totient is φ = 233876160.

The previous prime is 304307329. The next prime is 304307357. The reversal of 304307345 is 543703403.

It is a happy number.

It is not a de Polignac number, because 304307345 - 2⁴ = 304307329 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1514 + ... + 24716.

It is an arithmetic number, because the mean of its divisors is an integer number (23737692).

Almost surely, 2^304307345 is an apocalyptic number.

It is an amenable number.

304307345 is a deficient number, since it is larger than the sum of its proper divisors (75495727).

304307345 is a wasteful number, since it uses less digits than its factorization.

304307345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23312.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 304307345 is about 17444.4072699533. The cubic root of 304307345 is about 672.6216029186.

The spelling of 304307345 in words is "three hundred four million, three hundred seven thousand, three hundred forty-five".