30524144 has 20 divisors (see below), whose sum is σ = 67589424. Its totient is φ = 13081728.

The previous prime is 30524141. The next prime is 30524159. The reversal of 30524144 is 44142503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30524141) 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, 136157 + ... + 136380.

Almost surely, 2^30524144 is an apocalyptic number.

It is an amenable number.

30524144 is an abundant number, since it is smaller than the sum of its proper divisors (37065280).

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

30524144 is a wasteful number, since it uses less digits than its factorization.

30524144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272552 (or 272546 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 30524144 is about 5524.8659712250. The cubic root of 30524144 is about 312.5224099129.

Adding to 30524144 its reverse (44142503), we get a palindrome (74666647).

The spelling of 30524144 in words is "thirty million, five hundred twenty-four thousand, one hundred forty-four".