30142304 has 12 divisors (see below), whose sum is σ = 59342724. Its totient is φ = 15071136.

The previous prime is 30142297. The next prime is 30142313. The reversal of 30142304 is 40324103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470942 + ... + 471005.

It is an arithmetic number, because the mean of its divisors is an integer number (4945227).

Almost surely, 2^30142304 is an apocalyptic number.

It is an amenable number.

30142304 is a deficient number, since it is larger than the sum of its proper divisors (29200420).

30142304 is an equidigital number, since it uses as much as digits as its factorization.

30142304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941957 (or 941949 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30142304 is about 5490.2007249280. The cubic root of 30142304 is about 311.2137776054.

Adding to 30142304 its reverse (40324103), we get a palindrome (70466407).

The spelling of 30142304 in words is "thirty million, one hundred forty-two thousand, three hundred four".