143546440841 has 2 divisors, whose sum is σ = 143546440842. Its totient is φ = 143546440840.

The previous prime is 143546440771. The next prime is 143546440867. The reversal of 143546440841 is 148044645341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128196222025 + 15350218816 = 358045^2 + 123896^2 .

It is a cyclic number.

It is not a de Polignac number, because 143546440841 - 2¹⁸ = 143546178697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143546440792 and 143546440801.

It is not a weakly prime, because it can be changed into another prime (143546448841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71773220420 + 71773220421.

It is an arithmetic number, because the mean of its divisors is an integer number (71773220421).

Almost surely, 2^143546440841 is an apocalyptic number.

It is an amenable number.

143546440841 is a deficient number, since it is larger than the sum of its proper divisors (1).

143546440841 is an equidigital number, since it uses as much as digits as its factorization.

143546440841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 143546440841 in words is "one hundred forty-three billion, five hundred forty-six million, four hundred forty thousand, eight hundred forty-one".