30288144 has 20 divisors (see below), whose sum is σ = 78244496. Its totient is φ = 10096032.

The previous prime is 30288133. The next prime is 30288149. The reversal of 30288144 is 44188203.

It is not an unprimeable number, because it can be changed into a prime (30288149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315454 + ... + 315549.

Almost surely, 2^30288144 is an apocalyptic number.

It is an amenable number.

30288144 is an abundant number, since it is smaller than the sum of its proper divisors (47956352).

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

30288144 is a wasteful number, since it uses less digits than its factorization.

30288144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631014 (or 631008 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 30288144 is about 5503.4665439158. The cubic root of 30288144 is about 311.7148940528.

The spelling of 30288144 in words is "thirty million, two hundred eighty-eight thousand, one hundred forty-four".