30242144 has 24 divisors (see below), whose sum is σ = 59693760. Its totient is φ = 15081856.

The previous prime is 30242131. The next prime is 30242189. The reversal of 30242144 is 44124203.

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, 14342 + ... + 16314.

It is an arithmetic number, because the mean of its divisors is an integer number (2487240).

Almost surely, 2^30242144 is an apocalyptic number.

It is an amenable number.

30242144 is a deficient number, since it is larger than the sum of its proper divisors (29451616).

30242144 is a wasteful number, since it uses less digits than its factorization.

30242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 30242144 is about 5499.2857718071. The cubic root of 30242144 is about 311.5570088388.

Adding to 30242144 its reverse (44124203), we get a palindrome (74366347).

The spelling of 30242144 in words is "thirty million, two hundred forty-two thousand, one hundred forty-four".