143131561244642 has 32 divisors (see below), whose sum is σ = 227631243481200. Its totient is φ = 67265771388928.

The previous prime is 143131561244627. The next prime is 143131561244647. The reversal of 143131561244642 is 246442165131341.

It can be written as a sum of positive squares in 8 ways, for example, as 41761721953561 + 101369839291081 = 6462331^2 + 10068259^2 .

It is not an unprimeable number, because it can be changed into a prime (143131561244647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625108034 + ... + 625336962.

Almost surely, 2^{143131561244642} is an apocalyptic number.

143131561244642 is a deficient number, since it is larger than the sum of its proper divisors (84499682236558).

143131561244642 is a wasteful number, since it uses less digits than its factorization.

143131561244642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253510.

The product of its digits is 1658880, while the sum is 47.

The spelling of 143131561244642 in words is "one hundred forty-three trillion, one hundred thirty-one billion, five hundred sixty-one million, two hundred forty-four thousand, six hundred forty-two".