549030144 has 144 divisors (see below), whose sum is σ = 1589676032. Its totient is φ = 167215104.

The previous prime is 549030109. The next prime is 549030169. The reversal of 549030144 is 441030945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267752 + ... + 1268184.

Almost surely, 2^549030144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794838016).

549030144 is an abundant number, since it is smaller than the sum of its proper divisors (1040645888).

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

549030144 is a wasteful number, since it uses less digits than its factorization.

549030144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 549030144 is about 23431.3922761751. The cubic root of 549030144 is about 818.8393971574.

The spelling of 549030144 in words is "five hundred forty-nine million, thirty thousand, one hundred forty-four".