228144573 has 16 divisors (see below), whose sum is σ = 357874560. Its totient is φ = 143149248.

The previous prime is 228144559. The next prime is 228144577. The reversal of 228144573 is 375441822.

It is a happy number.

228144573 is a `hidden beast` number, since 2 + 2 + 81 + 4 + 4 + 573 = 666.

It is not a de Polignac number, because 228144573 - 2¹⁰ = 228143549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144577) 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 15 ways as a sum of consecutive naturals, for example, 248065 + ... + 248982.

It is an arithmetic number, because the mean of its divisors is an integer number (22367160).

Almost surely, 2^228144573 is an apocalyptic number.

It is an amenable number.

228144573 is a deficient number, since it is larger than the sum of its proper divisors (129729987).

228144573 is a wasteful number, since it uses less digits than its factorization.

228144573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497073 (or 497067 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 228144573 is about 15104.4554022977. The cubic root of 228144573 is about 611.0405718606.

The spelling of 228144573 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred seventy-three".