30445144 has 16 divisors (see below), whose sum is σ = 60089400. Its totient is φ = 14421312.

The previous prime is 30445133. The next prime is 30445153. The reversal of 30445144 is 44154403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99997 + ... + 100300.

Almost surely, 2^30445144 is an apocalyptic number.

It is an amenable number.

30445144 is a deficient number, since it is larger than the sum of its proper divisors (29644256).

30445144 is a wasteful number, since it uses less digits than its factorization.

30445144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200322 (or 200318 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 30445144 is about 5517.7118445965. The cubic root of 30445144 is about 312.2525623171.

Adding to 30445144 its reverse (44154403), we get a palindrome (74599547).

The spelling of 30445144 in words is "thirty million, four hundred forty-five thousand, one hundred forty-four".