143226646061221 has 16 divisors (see below), whose sum is σ = 144572026060800. Its totient is φ = 141886427224320.

The previous prime is 143226646061171. The next prime is 143226646061237. The reversal of 143226646061221 is 122160646622341.

It is a cyclic number.

It is not a de Polignac number, because 143226646061221 - 2¹⁷ = 143226645930149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143226646061921) 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 in 15 ways as a sum of consecutive naturals, for example, 1300102381 + ... + 1300212541.

It is an arithmetic number, because the mean of its divisors is an integer number (9035751628800).

Almost surely, 2^{143226646061221} is an apocalyptic number.

It is an amenable number.

143226646061221 is a deficient number, since it is larger than the sum of its proper divisors (1345379999579).

143226646061221 is a wasteful number, since it uses less digits than its factorization.

143226646061221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133476.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 143226646061221 in words is "one hundred forty-three trillion, two hundred twenty-six billion, six hundred forty-six million, sixty-one thousand, two hundred twenty-one".