30118144 has 63 divisors (see below), whose sum is σ = 70138327. Its totient is φ = 12907776.

The previous prime is 30118093. The next prime is 30118147. The reversal of 30118144 is 44181103.

The square root of 30118144 is 5488.

It is a perfect power (a square), and thus also a powerful number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (30118147) by changing a digit.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 4302589 + ... + 4302595.

Almost surely, 2^30118144 is an apocalyptic number.

30118144 is the 5488-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30118144

30118144 is an abundant number, since it is smaller than the sum of its proper divisors (40020183).

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

30118144 is an frugal number, since it uses more digits than its factorization.

30118144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 9 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The cubic root of 30118144 is about 311.1306061858.

Adding to 30118144 its reverse (44181103), we get a palindrome (74299247).

The spelling of 30118144 in words is "thirty million, one hundred eighteen thousand, one hundred forty-four".