142431994244 has 12 divisors (see below), whose sum is σ = 252411129600. Its totient is φ = 70314528648.

The previous prime is 142431994219. The next prime is 142431994273. The reversal of 142431994244 is 442499134241.

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, 225366764 + ... + 225367395.

It is an arithmetic number, because the mean of its divisors is an integer number (21034260800).

Almost surely, 2^142431994244 is an apocalyptic number.

It is an amenable number.

142431994244 is a deficient number, since it is larger than the sum of its proper divisors (109979135356).

142431994244 is a wasteful number, since it uses less digits than its factorization.

142431994244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450734242 (or 450734240 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The spelling of 142431994244 in words is "one hundred forty-two billion, four hundred thirty-one million, nine hundred ninety-four thousand, two hundred forty-four".