143161064461573 has 2 divisors, whose sum is σ = 143161064461574. Its totient is φ = 143161064461572.

The previous prime is 143161064461567. The next prime is 143161064461633. The reversal of 143161064461573 is 375164460161341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82318911642529 + 60842152819044 = 9072977^2 + 7800138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143161064461573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143161064461573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143161064561573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71580532230786 + 71580532230787.

It is an arithmetic number, because the mean of its divisors is an integer number (71580532230787).

Almost surely, 2^{143161064461573} is an apocalyptic number.

It is an amenable number.

143161064461573 is a deficient number, since it is larger than the sum of its proper divisors (1).

143161064461573 is an equidigital number, since it uses as much as digits as its factorization.

143161064461573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 143161064461573 in words is "one hundred forty-three trillion, one hundred sixty-one billion, sixty-four million, four hundred sixty-one thousand, five hundred seventy-three".