142422297193 has 16 divisors (see below), whose sum is σ = 162151621632. Its totient is φ = 123825130000.

The previous prime is 142422297191. The next prime is 142422297217. The reversal of 142422297193 is 391792224241.

It is not a de Polignac number, because 142422297193 - 2¹ = 142422297191 is a prime.

It is a super-2 number, since 2×142422297193² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142422297191) 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, 1614438 + ... + 1700368.

It is an arithmetic number, because the mean of its divisors is an integer number (10134476352).

Almost surely, 2^142422297193 is an apocalyptic number.

It is an amenable number.

142422297193 is a deficient number, since it is larger than the sum of its proper divisors (19729324439).

142422297193 is a wasteful number, since it uses less digits than its factorization.

142422297193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92516.

The product of its digits is 435456, while the sum is 46.

The spelling of 142422297193 in words is "one hundred forty-two billion, four hundred twenty-two million, two hundred ninety-seven thousand, one hundred ninety-three".