143224502254661 has 2 divisors, whose sum is σ = 143224502254662. Its totient is φ = 143224502254660.

The previous prime is 143224502254607. The next prime is 143224502254679. The reversal of 143224502254661 is 166452205422341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124702023004036 + 18522479250625 = 11167006^2 + 4303775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143224502254661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143224502251661) 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, 71612251127330 + 71612251127331.

It is an arithmetic number, because the mean of its divisors is an integer number (71612251127331).

Almost surely, 2^{143224502254661} is an apocalyptic number.

It is an amenable number.

143224502254661 is a deficient number, since it is larger than the sum of its proper divisors (1).

143224502254661 is an equidigital number, since it uses as much as digits as its factorization.

143224502254661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 143224502254661 in words is "one hundred forty-three trillion, two hundred twenty-four billion, five hundred two million, two hundred fifty-four thousand, six hundred sixty-one".