143628785441 has 2 divisors, whose sum is σ = 143628785442. Its totient is φ = 143628785440.

The previous prime is 143628785329. The next prime is 143628785477. The reversal of 143628785441 is 144587826341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97534413025 + 46094372416 = 312305^2 + 214696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143628785441 is a prime.

It is not a weakly prime, because it can be changed into another prime (143628788441) 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, 71814392720 + 71814392721.

It is an arithmetic number, because the mean of its divisors is an integer number (71814392721).

Almost surely, 2^143628785441 is an apocalyptic number.

It is an amenable number.

143628785441 is a deficient number, since it is larger than the sum of its proper divisors (1).

143628785441 is an equidigital number, since it uses as much as digits as its factorization.

143628785441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 53.

The spelling of 143628785441 in words is "one hundred forty-three billion, six hundred twenty-eight million, seven hundred eighty-five thousand, four hundred forty-one".