228144043 has 2 divisors, whose sum is σ = 228144044. Its totient is φ = 228144042.

The previous prime is 228144041. The next prime is 228144071. The reversal of 228144043 is 340441822.

It is a happy number.

It is an a-pointer prime, because the next prime (228144071) can be obtained adding 228144043 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228144043 - 2¹ = 228144041 is a prime.

Together with 228144041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228144041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072021 + 114072022.

It is an arithmetic number, because the mean of its divisors is an integer number (114072022).

Almost surely, 2^228144043 is an apocalyptic number.

228144043 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144043 is an equidigital number, since it uses as much as digits as its factorization.

228144043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 228144043 is about 15104.4378577953. The cubic root of 228144043 is about 611.0400986931.

Adding to 228144043 its reverse (340441822), we get a palindrome (568585865).

The spelling of 228144043 in words is "two hundred twenty-eight million, one hundred forty-four thousand, forty-three".