143200620644 has 12 divisors (see below), whose sum is σ = 259242503100. Its totient is φ = 69131334048.

The previous prime is 143200620481. The next prime is 143200620677. The reversal of 143200620644 is 446026002341.

It can be written as a sum of positive squares in 2 ways, for example, as 90914310400 + 52286310244 = 301520^2 + 228662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143200620644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617243939 + ... + 617244170.

It is an arithmetic number, because the mean of its divisors is an integer number (21603541925).

Almost surely, 2^143200620644 is an apocalyptic number.

It is an amenable number.

143200620644 is a deficient number, since it is larger than the sum of its proper divisors (116041882456).

143200620644 is a wasteful number, since it uses less digits than its factorization.

143200620644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234488142 (or 1234488140 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 143200620644 its reverse (446026002341), we get a palindrome (589226622985).

The spelling of 143200620644 in words is "one hundred forty-three billion, two hundred million, six hundred twenty thousand, six hundred forty-four".