143788680561 has 8 divisors (see below), whose sum is σ = 191731711360. Its totient is φ = 95852385072.

The previous prime is 143788680557. The next prime is 143788680601. The reversal of 143788680561 is 165086887341.

It is a happy number.

143788680561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143788680561 - 2² = 143788680557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143788684561) 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 7 ways as a sum of consecutive naturals, for example, 1633801 + ... + 1719558.

It is an arithmetic number, because the mean of its divisors is an integer number (23966463920).

Almost surely, 2^143788680561 is an apocalyptic number.

It is an amenable number.

143788680561 is a deficient number, since it is larger than the sum of its proper divisors (47943030799).

143788680561 is a wasteful number, since it uses less digits than its factorization.

143788680561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367655.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 143788680561 in words is "one hundred forty-three billion, seven hundred eighty-eight million, six hundred eighty thousand, five hundred sixty-one".