143142600056661 has 24 divisors (see below), whose sum is σ = 207276656213120. Its totient is φ = 95190672657600.

The previous prime is 143142600056641. The next prime is 143142600056719. The reversal of 143142600056661 is 166650006241341.

It is not a de Polignac number, because 143142600056661 - 2⁶ = 143142600056597 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 (143142600056611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79618146 + ... + 81396156.

Almost surely, 2^{143142600056661} is an apocalyptic number.

It is an amenable number.

143142600056661 is a deficient number, since it is larger than the sum of its proper divisors (64134056156459).

143142600056661 is a wasteful number, since it uses less digits than its factorization.

143142600056661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800297 (or 1800294 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 143142600056661 in words is "one hundred forty-three trillion, one hundred forty-two billion, six hundred million, fifty-six thousand, six hundred sixty-one".