30332144 has 20 divisors (see below), whose sum is σ = 60795960. Its totient is φ = 14642880.

The previous prime is 30332111. The next prime is 30332153. The reversal of 30332144 is 44123303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32222 + ... + 33149.

It is an arithmetic number, because the mean of its divisors is an integer number (3039798).

Almost surely, 2^30332144 is an apocalyptic number.

It is an amenable number.

30332144 is an abundant number, since it is smaller than the sum of its proper divisors (30463816).

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

30332144 is a wasteful number, since it uses less digits than its factorization.

30332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65408 (or 65402 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30332144 is about 5507.4625736359. The cubic root of 30332144 is about 311.8657651786.

Adding to 30332144 its reverse (44123303), we get a palindrome (74455447).

The spelling of 30332144 in words is "thirty million, three hundred thirty-two thousand, one hundred forty-four".