228103144 has 32 divisors (see below), whose sum is σ = 472547520. Its totient is φ = 102674176.

The previous prime is 228103133. The next prime is 228103157. The reversal of 228103144 is 441301822.

228103144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33334 + ... + 39589.

It is an arithmetic number, because the mean of its divisors is an integer number (14767110).

Almost surely, 2^228103144 is an apocalyptic number.

It is an amenable number.

228103144 is an abundant number, since it is smaller than the sum of its proper divisors (244444376).

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

228103144 is a wasteful number, since it uses less digits than its factorization.

228103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72969 (or 72965 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 228103144 is about 15103.0839234906. The cubic root of 228103144 is about 611.0035831331.

Adding to 228103144 its reverse (441301822), we get a palindrome (669404966).

The spelling of 228103144 in words is "two hundred twenty-eight million, one hundred three thousand, one hundred forty-four".