304784142 has 32 divisors (see below), whose sum is σ = 679099680. Its totient is φ = 90545280.

The previous prime is 304784141. The next prime is 304784153. The reversal of 304784142 is 241487403.

304784142 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 (304784141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65109 + ... + 69632.

It is an arithmetic number, because the mean of its divisors is an integer number (21221865).

Almost surely, 2^304784142 is an apocalyptic number.

304784142 is an abundant number, since it is smaller than the sum of its proper divisors (374315538).

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

304784142 is a wasteful number, since it uses less digits than its factorization.

304784142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134788.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 304784142 is about 17458.0681061794. The cubic root of 304784142 is about 672.9727135281.

The spelling of 304784142 in words is "three hundred four million, seven hundred eighty-four thousand, one hundred forty-two".