304342245 has 32 divisors (see below), whose sum is σ = 572883840. Its totient is φ = 152766720.

The previous prime is 304342243. The next prime is 304342289. The reversal of 304342245 is 542243403.

304342245 is a `hidden beast` number, since 3 + 0 + 434 + 224 + 5 = 666.

It is not a de Polignac number, because 304342245 - 2¹ = 304342243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304342243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64011 + ... + 68600.

It is an arithmetic number, because the mean of its divisors is an integer number (17902620).

Almost surely, 2^304342245 is an apocalyptic number.

It is an amenable number.

304342245 is a deficient number, since it is larger than the sum of its proper divisors (268541595).

304342245 is a wasteful number, since it uses less digits than its factorization.

304342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132642 (or 132636 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 304342245 is about 17445.4075618771. The cubic root of 304342245 is about 672.6473155159.

Adding to 304342245 its reverse (542243403), we get a palindrome (846585648).

The spelling of 304342245 in words is "three hundred four million, three hundred forty-two thousand, two hundred forty-five".