143181341 has 2 divisors, whose sum is σ = 143181342. Its totient is φ = 143181340.

The previous prime is 143181263. The next prime is 143181347.

143181341 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127012900 + 16168441 = 11270^2 + 4021^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143181341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143181341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143181347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71590670 + 71590671.

It is an arithmetic number, because the mean of its divisors is an integer number (71590671).

Almost surely, 2^143181341 is an apocalyptic number.

It is an amenable number.

143181341 is a deficient number, since it is larger than the sum of its proper divisors (1).

143181341 is an equidigital number, since it uses as much as digits as its factorization.

143181341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 143181341 is about 11965.8405889432. The cubic root of 143181341 is about 523.1531065159.

The spelling of 143181341 in words is "one hundred forty-three million, one hundred eighty-one thousand, three hundred forty-one".