30144016 has 30 divisors (see below), whose sum is σ = 67941150. Its totient is φ = 12918528.

The previous prime is 30143987. The next prime is 30144019. The reversal of 30144016 is 61044103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 13660416 = 4060^2 + 3696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30143984 and 30144002.

It is not an unprimeable number, because it can be changed into a prime (30144019) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18441 + ... + 20008.

It is an arithmetic number, because the mean of its divisors is an integer number (2264705).

Almost surely, 2^30144016 is an apocalyptic number.

It is an amenable number.

30144016 is an abundant number, since it is smaller than the sum of its proper divisors (37797134).

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

30144016 is a wasteful number, since it uses less digits than its factorization.

30144016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471 (or 38458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30144016 is about 5490.3566368680. The cubic root of 30144016 is about 311.2196695229.

Adding to 30144016 its reverse (61044103), we get a palindrome (91188119).

The spelling of 30144016 in words is "thirty million, one hundred forty-four thousand, sixteen".