144640564141 has 2 divisors, whose sum is σ = 144640564142. Its totient is φ = 144640564140.

The previous prime is 144640564067. The next prime is 144640564147. The reversal of 144640564141 is 141465046441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144055166116 + 585398025 = 379546^2 + 24195^2 .

It is an emirp because it is prime and its reverse (141465046441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144640564141 - 2¹⁹ = 144640039853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144640564094 and 144640564103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144640564147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320282070 + 72320282071.

It is an arithmetic number, because the mean of its divisors is an integer number (72320282071).

Almost surely, 2^144640564141 is an apocalyptic number.

It is an amenable number.

144640564141 is a deficient number, since it is larger than the sum of its proper divisors (1).

144640564141 is an equidigital number, since it uses as much as digits as its factorization.

144640564141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 144640564141 in words is "one hundred forty-four billion, six hundred forty million, five hundred sixty-four thousand, one hundred forty-one".