30037142 has 4 divisors (see below), whose sum is σ = 45055716. Its totient is φ = 15018570.

The previous prime is 30037141. The next prime is 30037153. The reversal of 30037142 is 24173003.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30037141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7509284 + ... + 7509287.

It is an arithmetic number, because the mean of its divisors is an integer number (11263929).

Almost surely, 2^30037142 is an apocalyptic number.

30037142 is a deficient number, since it is larger than the sum of its proper divisors (15018574).

30037142 is a wasteful number, since it uses less digits than its factorization.

30037142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15018573.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30037142 is about 5480.6151114633. The cubic root of 30037142 is about 310.8514297449.

The spelling of 30037142 in words is "thirty million, thirty-seven thousand, one hundred forty-two".