142243970426 has 16 divisors (see below), whose sum is σ = 225937869696. Its totient is φ = 66932124096.

The previous prime is 142243970417. The next prime is 142243970431. The reversal of 142243970426 is 624079342241.

It is a happy 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, 188285 + ... + 565631.

It is an arithmetic number, because the mean of its divisors is an integer number (14121116856).

Almost surely, 2^142243970426 is an apocalyptic number.

142243970426 is a deficient number, since it is larger than the sum of its proper divisors (83693899270).

142243970426 is a wasteful number, since it uses less digits than its factorization.

142243970426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388453.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 142243970426 in words is "one hundred forty-two billion, two hundred forty-three million, nine hundred seventy thousand, four hundred twenty-six".