143144311 has 2 divisors, whose sum is σ = 143144312. Its totient is φ = 143144310.

The previous prime is 143144293. The next prime is 143144327. The reversal of 143144311 is 113441341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143144311 - 2²³ = 134755703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143144381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71572155 + 71572156.

It is an arithmetic number, because the mean of its divisors is an integer number (71572156).

Almost surely, 2^143144311 is an apocalyptic number.

143144311 is a deficient number, since it is larger than the sum of its proper divisors (1).

143144311 is an equidigital number, since it uses as much as digits as its factorization.

143144311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 143144311 is about 11964.2931675883. The cubic root of 143144311 is about 523.1080028041.

Adding to 143144311 its reverse (113441341), we get a palindrome (256585652).

The spelling of 143144311 in words is "one hundred forty-three million, one hundred forty-four thousand, three hundred eleven".