143561356489 has 2 divisors, whose sum is σ = 143561356490. Its totient is φ = 143561356488.

The previous prime is 143561356453. The next prime is 143561356517. The reversal of 143561356489 is 984653165341.

It is a happy number.

143561356489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143388696889 + 172659600 = 378667^2 + 13140^2 .

It is a cyclic number.

It is not a de Polignac number, because 143561356489 - 2¹⁵ = 143561323721 is a prime.

It is not a weakly prime, because it can be changed into another prime (143561356409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71780678244 + 71780678245.

It is an arithmetic number, because the mean of its divisors is an integer number (71780678245).

Almost surely, 2^143561356489 is an apocalyptic number.

It is an amenable number.

143561356489 is a deficient number, since it is larger than the sum of its proper divisors (1).

143561356489 is an equidigital number, since it uses as much as digits as its factorization.

143561356489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 55.

The spelling of 143561356489 in words is "one hundred forty-three billion, five hundred sixty-one million, three hundred fifty-six thousand, four hundred eighty-nine".