142142223194 has 8 divisors (see below), whose sum is σ = 213306570048. Its totient is φ = 71040033180.

The previous prime is 142142223191. The next prime is 142142223211. The reversal of 142142223194 is 491322241241.

142142223194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142142223194² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142142223191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15533492 + ... + 15542639.

It is an arithmetic number, because the mean of its divisors is an integer number (26663321256).

Almost surely, 2^142142223194 is an apocalyptic number.

142142223194 is a deficient number, since it is larger than the sum of its proper divisors (71164346854).

142142223194 is a wasteful number, since it uses less digits than its factorization.

142142223194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31078420.

The product of its digits is 27648, while the sum is 35.

The spelling of 142142223194 in words is "one hundred forty-two billion, one hundred forty-two million, two hundred twenty-three thousand, one hundred ninety-four".