304045142 has 16 divisors (see below), whose sum is σ = 480809952. Its totient is φ = 143911680.

The previous prime is 304045127. The next prime is 304045151. The reversal of 304045142 is 241540403.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29609 + ... + 38532.

It is an arithmetic number, because the mean of its divisors is an integer number (30050622).

Almost surely, 2^304045142 is an apocalyptic number.

304045142 is a deficient number, since it is larger than the sum of its proper divisors (176764810).

304045142 is a wasteful number, since it uses less digits than its factorization.

304045142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68263.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 304045142 is about 17436.8902617411. The cubic root of 304045142 is about 672.4283617945.

Adding to 304045142 its reverse (241540403), we get a palindrome (545585545).

The spelling of 304045142 in words is "three hundred four million, forty-five thousand, one hundred forty-two".