304253146 has 8 divisors (see below), whose sum is σ = 468714420. Its totient is φ = 148015008.

The previous prime is 304253143. The next prime is 304253153. The reversal of 304253146 is 641352403.

It can be written as a sum of positive squares in 2 ways, for example, as 303630625 + 622521 = 17425^2 + 789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (304253141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055691 + ... + 2055838.

Almost surely, 2^304253146 is an apocalyptic number.

304253146 is a deficient number, since it is larger than the sum of its proper divisors (164461274).

304253146 is a wasteful number, since it uses less digits than its factorization.

304253146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111568.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 304253146 is about 17442.8537229434. The cubic root of 304253146 is about 672.5816678734.

The spelling of 304253146 in words is "three hundred four million, two hundred fifty-three thousand, one hundred forty-six".