143688746441 has 2 divisors, whose sum is σ = 143688746442. Its totient is φ = 143688746440.

The previous prime is 143688746413. The next prime is 143688746449. The reversal of 143688746441 is 144647886341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90237156025 + 53451590416 = 300395^2 + 231196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143688746441 is a prime.

It is not a weakly prime, because it can be changed into another prime (143688746449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71844373220 + 71844373221.

It is an arithmetic number, because the mean of its divisors is an integer number (71844373221).

Almost surely, 2^143688746441 is an apocalyptic number.

It is an amenable number.

143688746441 is a deficient number, since it is larger than the sum of its proper divisors (1).

143688746441 is an equidigital number, since it uses as much as digits as its factorization.

143688746441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 56.

The spelling of 143688746441 in words is "one hundred forty-three billion, six hundred eighty-eight million, seven hundred forty-six thousand, four hundred forty-one".