30606144 has 28 divisors (see below), whose sum is σ = 80979264. Its totient is φ = 10201984.

The previous prime is 30606143. The next prime is 30606151. The reversal of 30606144 is 44160603.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30606143) 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, 79512 + ... + 79895.

Almost surely, 2^30606144 is an apocalyptic number.

It is an amenable number.

30606144 is an abundant number, since it is smaller than the sum of its proper divisors (50373120).

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

30606144 is a wasteful number, since it uses less digits than its factorization.

30606144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159422 (or 159412 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30606144 is about 5532.2819884746. The cubic root of 30606144 is about 312.8020128816.

Adding to 30606144 its reverse (44160603), we get a palindrome (74766747).

The spelling of 30606144 in words is "thirty million, six hundred six thousand, one hundred forty-four".