228144144 has 20 divisors (see below), whose sum is σ = 589372496. Its totient is φ = 76048032.

The previous prime is 228144139. The next prime is 228144151. The reversal of 228144144 is 441441822.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376454 + ... + 2376549.

Almost surely, 2^228144144 is an apocalyptic number.

228144144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228144144 is an abundant number, since it is smaller than the sum of its proper divisors (361228352).

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

228144144 is a wasteful number, since it uses less digits than its factorization.

228144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753014 (or 4753008 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 228144144 is about 15104.4412011832. The cubic root of 228144144 is about 611.0401888628.

Adding to 228144144 its reverse (441441822), we get a palindrome (669585966).

The spelling of 228144144 in words is "two hundred twenty-eight million, one hundred forty-four thousand, one hundred forty-four".