144227543 has 2 divisors, whose sum is σ = 144227544. Its totient is φ = 144227542.

The previous prime is 144227539. The next prime is 144227561. The reversal of 144227543 is 345722441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144227543 - 2² = 144227539 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144227513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72113771 + 72113772.

It is an arithmetic number, because the mean of its divisors is an integer number (72113772).

Almost surely, 2^144227543 is an apocalyptic number.

144227543 is a deficient number, since it is larger than the sum of its proper divisors (1).

144227543 is an equidigital number, since it uses as much as digits as its factorization.

144227543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 144227543 is about 12009.4772159324. The cubic root of 144227543 is about 524.4242128857.

Adding to 144227543 its reverse (345722441), we get a palindrome (489949984).

The spelling of 144227543 in words is "one hundred forty-four million, two hundred twenty-seven thousand, five hundred forty-three".