144288228 has 48 divisors (see below), whose sum is σ = 387031680. Its totient is φ = 40982784.

The previous prime is 144288211. The next prime is 144288233. The reversal of 144288228 is 822882441.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9568 + ... + 19496.

It is an arithmetic number, because the mean of its divisors is an integer number (8063160).

Almost surely, 2^144288228 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 144288228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193515840).

144288228 is an abundant number, since it is smaller than the sum of its proper divisors (242743452).

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

144288228 is a wasteful number, since it uses less digits than its factorization.

144288228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116 (or 10114 counting only the distinct ones).

The product of its digits is 65536, while the sum is 39.

The square root of 144288228 is about 12012.0034965030. The cubic root of 144288228 is about 524.4977545968.

The spelling of 144288228 in words is "one hundred forty-four million, two hundred eighty-eight thousand, two hundred twenty-eight".