1443142404181 has 2 divisors, whose sum is σ = 1443142404182. Its totient is φ = 1443142404180.

The previous prime is 1443142404127. The next prime is 1443142404199. The reversal of 1443142404181 is 1814042413441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1359987454225 + 83154949956 = 1166185^2 + 288366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443142404181 is a prime.

It is a super-2 number, since 2×1443142404181² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1443142404181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443142402181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721571202090 + 721571202091.

It is an arithmetic number, because the mean of its divisors is an integer number (721571202091).

Almost surely, 2^{1443142404181} is an apocalyptic number.

It is an amenable number.

1443142404181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443142404181 is an equidigital number, since it uses as much as digits as its factorization.

1443142404181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 1443142404181 in words is "one trillion, four hundred forty-three billion, one hundred forty-two million, four hundred four thousand, one hundred eighty-one".