143640220626142 has 32 divisors (see below), whose sum is σ = 216300775656960. Its totient is φ = 71540545930560.

The previous prime is 143640220626131. The next prime is 143640220626173. The reversal of 143640220626142 is 241626022046341.

143640220626142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639104667 + ... + 1639192297.

It is an arithmetic number, because the mean of its divisors is an integer number (6759399239280).

Almost surely, 2^{143640220626142} is an apocalyptic number.

143640220626142 is a deficient number, since it is larger than the sum of its proper divisors (72660555030818).

143640220626142 is a wasteful number, since it uses less digits than its factorization.

143640220626142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90928.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 143640220626142 in words is "one hundred forty-three trillion, six hundred forty billion, two hundred twenty million, six hundred twenty-six thousand, one hundred forty-two".