143140644473 has 2 divisors, whose sum is σ = 143140644474. Its totient is φ = 143140644472.

The previous prime is 143140644379. The next prime is 143140644499. The reversal of 143140644473 is 374446041341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106173660649 + 36966983824 = 325843^2 + 192268^2 .

It is a cyclic number.

It is not a de Polignac number, because 143140644473 - 2¹⁶ = 143140578937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143140644473.

It is not a weakly prime, because it can be changed into another prime (143140647473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71570322236 + 71570322237.

It is an arithmetic number, because the mean of its divisors is an integer number (71570322237).

Almost surely, 2^143140644473 is an apocalyptic number.

It is an amenable number.

143140644473 is a deficient number, since it is larger than the sum of its proper divisors (1).

143140644473 is an equidigital number, since it uses as much as digits as its factorization.

143140644473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 143140644473 in words is "one hundred forty-three billion, one hundred forty million, six hundred forty-four thousand, four hundred seventy-three".