228144543 has 8 divisors (see below), whose sum is σ = 331846656. Its totient is φ = 138269400.

The previous prime is 228144529. The next prime is 228144559. The reversal of 228144543 is 345441822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228144543 - 2⁹ = 228144031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6913471 = 228144543 / (2 + 2 + 8 + 1 + 4 + 4 + 5 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456703 + ... + 3456768.

It is an arithmetic number, because the mean of its divisors is an integer number (41480832).

Almost surely, 2^228144543 is an apocalyptic number.

228144543 is a deficient number, since it is larger than the sum of its proper divisors (103702113).

228144543 is a wasteful number, since it uses less digits than its factorization.

228144543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913485.

The product of its digits is 30720, while the sum is 33.

The square root of 228144543 is about 15104.4544092132. The cubic root of 228144543 is about 611.0405450775.

The spelling of 228144543 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred forty-three".