143306441 has 2 divisors, whose sum is σ = 143306442. Its totient is φ = 143306440.

The previous prime is 143306437. The next prime is 143306461. The reversal of 143306441 is 144603341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143304841 + 1600 = 11971^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 143306441 - 2² = 143306437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143306441.

It is not a weakly prime, because it can be changed into another prime (143306411) 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, 71653220 + 71653221.

It is an arithmetic number, because the mean of its divisors is an integer number (71653221).

Almost surely, 2^143306441 is an apocalyptic number.

It is an amenable number.

143306441 is a deficient number, since it is larger than the sum of its proper divisors (1).

143306441 is an equidigital number, since it uses as much as digits as its factorization.

143306441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 143306441 is about 11971.0668279815. The cubic root of 143306441 is about 523.3054247855.

Adding to 143306441 its reverse (144603341), we get a palindrome (287909782).

The spelling of 143306441 in words is "one hundred forty-three million, three hundred six thousand, four hundred forty-one".