304412146 has 4 divisors (see below), whose sum is σ = 456618222. Its totient is φ = 152206072.

The previous prime is 304412137. The next prime is 304412177. The reversal of 304412146 is 641214403.

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

It can be written as a sum of positive squares in only one way, i.e., 292239025 + 12173121 = 17095^2 + 3489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 304412146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76103035 + ... + 76103038.

Almost surely, 2^304412146 is an apocalyptic number.

304412146 is a deficient number, since it is larger than the sum of its proper divisors (152206076).

304412146 is a wasteful number, since it uses less digits than its factorization.

304412146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152206075.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 304412146 is about 17447.4108680916. The cubic root of 304412146 is about 672.6988092114.

Adding to 304412146 its reverse (641214403), we get a palindrome (945626549).

The spelling of 304412146 in words is "three hundred four million, four hundred twelve thousand, one hundred forty-six".