143252226646 has 16 divisors (see below), whose sum is σ = 216217074528. Its totient is φ = 71180424000.

The previous prime is 143252226643. The next prime is 143252226659. The reversal of 143252226646 is 646622252341.

143252226646 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 not an unprimeable number, because it can be changed into a prime (143252226643) 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, 380671 + ... + 656821.

It is an arithmetic number, because the mean of its divisors is an integer number (13513567158).

Almost surely, 2^143252226646 is an apocalyptic number.

143252226646 is a deficient number, since it is larger than the sum of its proper divisors (72964847882).

143252226646 is a wasteful number, since it uses less digits than its factorization.

143252226646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277767.

The product of its digits is 829440, while the sum is 43.

Adding to 143252226646 its reverse (646622252341), we get a palindrome (789874478987).

The spelling of 143252226646 in words is "one hundred forty-three billion, two hundred fifty-two million, two hundred twenty-six thousand, six hundred forty-six".