30033142 has 8 divisors (see below), whose sum is σ = 45684432. Its totient is φ = 14805000.

The previous prime is 30033131. The next prime is 30033151. The reversal of 30033142 is 24133003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105609 + ... + 105892.

It is an arithmetic number, because the mean of its divisors is an integer number (5710554).

Almost surely, 2^30033142 is an apocalyptic number.

30033142 is a deficient number, since it is larger than the sum of its proper divisors (15651290).

30033142 is a wasteful number, since it uses less digits than its factorization.

30033142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211574.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30033142 is about 5480.2501767711. The cubic root of 30033142 is about 310.8376305967.

Adding to 30033142 its reverse (24133003), we get a palindrome (54166145).

The spelling of 30033142 in words is "thirty million, thirty-three thousand, one hundred forty-two".