30142032 has 40 divisors (see below), whose sum is σ = 78182496. Its totient is φ = 10006656.

The previous prime is 30142009. The next prime is 30142039. The reversal of 30142032 is 23024103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12163 + ... + 14429.

Almost surely, 2^30142032 is an apocalyptic number.

It is an amenable number.

30142032 is an abundant number, since it is smaller than the sum of its proper divisors (48040464).

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

30142032 is a wasteful number, since it uses less digits than its factorization.

30142032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30142032 is about 5490.1759534645. The cubic root of 30142032 is about 311.2128414859.

Adding to 30142032 its reverse (23024103), we get a palindrome (53166135).

The spelling of 30142032 in words is "thirty million, one hundred forty-two thousand, thirty-two".