144143227 has 2 divisors, whose sum is σ = 144143228. Its totient is φ = 144143226.

The previous prime is 144143179. The next prime is 144143257. The reversal of 144143227 is 722341441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144143227 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144143195 and 144143204.

It is not a weakly prime, because it can be changed into another prime (144143257) 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 as a sum of consecutive naturals, namely, 72071613 + 72071614.

It is an arithmetic number, because the mean of its divisors is an integer number (72071614).

Almost surely, 2^144143227 is an apocalyptic number.

144143227 is a deficient number, since it is larger than the sum of its proper divisors (1).

144143227 is an equidigital number, since it uses as much as digits as its factorization.

144143227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 144143227 is about 12005.9663084651. The cubic root of 144143227 is about 524.3219994657.

Adding to 144143227 its reverse (722341441), we get a palindrome (866484668).

The spelling of 144143227 in words is "one hundred forty-four million, one hundred forty-three thousand, two hundred twenty-seven".