30142300 has 18 divisors (see below), whose sum is σ = 65409008. Its totient is φ = 12056880.

The previous prime is 30142297. The next prime is 30142313. The reversal of 30142300 is 324103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150612 + ... + 150811.

Almost surely, 2^30142300 is an apocalyptic number.

It is an amenable number.

30142300 is an abundant number, since it is smaller than the sum of its proper divisors (35266708).

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

30142300 is a wasteful number, since it uses less digits than its factorization.

30142300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301437 (or 301430 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30142300 is about 5490.2003606426. The cubic root of 30142300 is about 311.2137638390.

Adding to 30142300 its reverse (324103), we get a palindrome (30466403).

The spelling of 30142300 in words is "thirty million, one hundred forty-two thousand, three hundred".