304320142 has 16 divisors (see below), whose sum is σ = 539681760. Its totient is φ = 125925408.

The previous prime is 304320127. The next prime is 304320151. The reversal of 304320142 is 241023403.

304320142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×304320142² = 185221497653800328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374373 + ... + 375184.

It is an arithmetic number, because the mean of its divisors is an integer number (33730110).

Almost surely, 2^304320142 is an apocalyptic number.

304320142 is a deficient number, since it is larger than the sum of its proper divisors (235361618).

304320142 is a wasteful number, since it uses less digits than its factorization.

304320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749595.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304320142 is about 17444.7740598725. The cubic root of 304320142 is about 672.6310313448.

Adding to 304320142 its reverse (241023403), we get a palindrome (545343545).

The spelling of 304320142 in words is "three hundred four million, three hundred twenty thousand, one hundred forty-two".