143284464646 has 4 divisors (see below), whose sum is σ = 214926696972. Its totient is φ = 71642232322.

The previous prime is 143284464643. The next prime is 143284464671. The reversal of 143284464646 is 646464482341.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 143284464593 and 143284464602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143284464641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35821116160 + ... + 35821116163.

It is an arithmetic number, because the mean of its divisors is an integer number (53731674243).

Almost surely, 2^143284464646 is an apocalyptic number.

143284464646 is a deficient number, since it is larger than the sum of its proper divisors (71642232326).

143284464646 is an equidigital number, since it uses as much as digits as its factorization.

143284464646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71642232325.

The product of its digits is 10616832, while the sum is 52.

The spelling of 143284464646 in words is "one hundred forty-three billion, two hundred eighty-four million, four hundred sixty-four thousand, six hundred forty-six".