30324144 has 20 divisors (see below), whose sum is σ = 78337496. Its totient is φ = 10108032.

The previous prime is 30324103. The next prime is 30324149. The reversal of 30324144 is 44142303.

It is a self number, because there is not a number n which added to its sum of digits gives 30324144.

It is not an unprimeable number, because it can be changed into a prime (30324149) 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, 315829 + ... + 315924.

Almost surely, 2^30324144 is an apocalyptic number.

It is an amenable number.

30324144 is an abundant number, since it is smaller than the sum of its proper divisors (48013352).

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

30324144 is a wasteful number, since it uses less digits than its factorization.

30324144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631764 (or 631758 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30324144 is about 5506.7362384629. The cubic root of 30324144 is about 311.8383449222.

Adding to 30324144 its reverse (44142303), we get a palindrome (74466447).

The spelling of 30324144 in words is "thirty million, three hundred twenty-four thousand, one hundred forty-four".