304201345 has 32 divisors (see below), whose sum is σ = 434730240. Its totient is φ = 200002560.

The previous prime is 304201319. The next prime is 304201369. The reversal of 304201345 is 543102403.

It is not a de Polignac number, because 304201345 - 2⁷ = 304201217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82869 + ... + 86461.

It is an arithmetic number, because the mean of its divisors is an integer number (13585320).

Almost surely, 2^304201345 is an apocalyptic number.

304201345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

304201345 is a deficient number, since it is larger than the sum of its proper divisors (130528895).

304201345 is a wasteful number, since it uses less digits than its factorization.

304201345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705.

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

The square root of 304201345 is about 17441.3687822946. The cubic root of 304201345 is about 672.5434952958.

Adding to 304201345 its reverse (543102403), we get a palindrome (847303748).

The spelling of 304201345 in words is "three hundred four million, two hundred one thousand, three hundred forty-five".