144544243 has 2 divisors, whose sum is σ = 144544244. Its totient is φ = 144544242.

The previous prime is 144544189. The next prime is 144544249. The reversal of 144544243 is 342445441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144544243 - 2²¹ = 142447091 is a prime.

It is equal to p_8154454 and since 144544243 and 8154454 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144544249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272121 + 72272122.

It is an arithmetic number, because the mean of its divisors is an integer number (72272122).

Almost surely, 2^144544243 is an apocalyptic number.

144544243 is a deficient number, since it is larger than the sum of its proper divisors (1).

144544243 is an equidigital number, since it uses as much as digits as its factorization.

144544243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 31.

The square root of 144544243 is about 12022.6554055250. The cubic root of 144544243 is about 524.8077820885.

Adding to 144544243 its reverse (342445441), we get a palindrome (486989684).

The spelling of 144544243 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred forty-three".