143674337021 has 2 divisors, whose sum is σ = 143674337022. Its totient is φ = 143674337020.

The previous prime is 143674337011. The next prime is 143674337057. The reversal of 143674337021 is 120733476341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71938749796 + 71735587225 = 268214^2 + 267835^2 .

It is a cyclic number.

It is not a de Polignac number, because 143674337021 - 2²⁶ = 143607228157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143674337021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143674337011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71837168510 + 71837168511.

It is an arithmetic number, because the mean of its divisors is an integer number (71837168511).

Almost surely, 2^143674337021 is an apocalyptic number.

It is an amenable number.

143674337021 is a deficient number, since it is larger than the sum of its proper divisors (1).

143674337021 is an equidigital number, since it uses as much as digits as its factorization.

143674337021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 143674337021 in words is "one hundred forty-three billion, six hundred seventy-four million, three hundred thirty-seven thousand, twenty-one".