142844444445238 has 16 divisors (see below), whose sum is σ = 214543624293216. Its totient is φ = 71329916453760.

The previous prime is 142844444445229. The next prime is 142844444445317. The reversal of 142844444445238 is 832544444448241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17947870 + ... + 24653902.

It is an arithmetic number, because the mean of its divisors is an integer number (13408976518326).

Almost surely, 2^{142844444445238} is an apocalyptic number.

142844444445238 is a deficient number, since it is larger than the sum of its proper divisors (71699179847978).

142844444445238 is a wasteful number, since it uses less digits than its factorization.

142844444445238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719799.

The product of its digits is 251658240, while the sum is 61.

The spelling of 142844444445238 in words is "one hundred forty-two trillion, eight hundred forty-four billion, four hundred forty-four million, four hundred forty-five thousand, two hundred thirty-eight".