144531321443 has 2 divisors, whose sum is σ = 144531321444. Its totient is φ = 144531321442.

The previous prime is 144531321269. The next prime is 144531321457. The reversal of 144531321443 is 344123135441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144531321443 - 2²² = 144527127139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (144531321943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72265660721 + 72265660722.

It is an arithmetic number, because the mean of its divisors is an integer number (72265660722).

Almost surely, 2^144531321443 is an apocalyptic number.

144531321443 is a deficient number, since it is larger than the sum of its proper divisors (1).

144531321443 is an equidigital number, since it uses as much as digits as its factorization.

144531321443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

Adding to 144531321443 its reverse (344123135441), we get a palindrome (488654456884).

The spelling of 144531321443 in words is "one hundred forty-four billion, five hundred thirty-one million, three hundred twenty-one thousand, four hundred forty-three".