143139642244 has 9 divisors (see below), whose sum is σ = 250495698117. Its totient is φ = 71569442784.

The previous prime is 143139642221. The next prime is 143139642271. The reversal of 143139642244 is 442246931341.

The square root of 143139642244 is 378338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 107100416644 + 36039225600 = 327262^2 + 189840^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143139642244.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 662092 + ... + 851260.

Almost surely, 2^143139642244 is an apocalyptic number.

143139642244 is the 378338-th square number.

It is an amenable number.

143139642244 is a deficient number, since it is larger than the sum of its proper divisors (107356055873).

143139642244 is an frugal number, since it uses more digits than its factorization.

143139642244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378342 (or 189171 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

The spelling of 143139642244 in words is "one hundred forty-three billion, one hundred thirty-nine million, six hundred forty-two thousand, two hundred forty-four".