228144743 has 16 divisors (see below), whose sum is σ = 244744416. Its totient is φ = 211921920.

The previous prime is 228144727. The next prime is 228144767. The reversal of 228144743 is 347441822.

It is a cyclic number.

It is not a de Polignac number, because 228144743 - 2⁴ = 228144727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778505 + ... + 778797.

It is an arithmetic number, because the mean of its divisors is an integer number (15296526).

Almost surely, 2^228144743 is an apocalyptic number.

228144743 is a deficient number, since it is larger than the sum of its proper divisors (16599673).

228144743 is a wasteful number, since it uses less digits than its factorization.

228144743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 43008, while the sum is 35.

The square root of 228144743 is about 15104.4610297753. The cubic root of 228144743 is about 611.0407236311.

The spelling of 228144743 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred forty-three".