304421142 has 16 divisors (see below), whose sum is σ = 644656752. Its totient is φ = 95504640.

The previous prime is 304421141. The next prime is 304421153. The reversal of 304421142 is 241124403.

304421142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304421141) 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 7 ways as a sum of consecutive naturals, for example, 1492159 + ... + 1492362.

It is an arithmetic number, because the mean of its divisors is an integer number (40291047).

Almost surely, 2^304421142 is an apocalyptic number.

304421142 is an abundant number, since it is smaller than the sum of its proper divisors (340235610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304421142 is a wasteful number, since it uses less digits than its factorization.

304421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984543.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 304421142 is about 17447.6686694813. The cubic root of 304421142 is about 672.7054356869.

Adding to 304421142 its reverse (241124403), we get a palindrome (545545545).

The spelling of 304421142 in words is "three hundred four million, four hundred twenty-one thousand, one hundred forty-two".