30142204 has 6 divisors (see below), whose sum is σ = 52748864. Its totient is φ = 15071100.

The previous prime is 30142201. The next prime is 30142237. The reversal of 30142204 is 40224103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767772 + ... + 3767779.

Almost surely, 2^30142204 is an apocalyptic number.

It is an amenable number.

30142204 is a deficient number, since it is larger than the sum of its proper divisors (22606660).

30142204 is a wasteful number, since it uses less digits than its factorization.

30142204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535555 (or 7535553 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30142204 is about 5490.1916177853. The cubic root of 30142204 is about 311.2134334445.

Adding to 30142204 its reverse (40224103), we get a palindrome (70366307).

The spelling of 30142204 in words is "thirty million, one hundred forty-two thousand, two hundred four".