142396238171 has 8 divisors (see below), whose sum is σ = 155347792704. Its totient is φ = 129445757320.

The previous prime is 142396238143. The next prime is 142396238197. The reversal of 142396238171 is 171832693241.

142396238171 is digitally balanced in base 2, 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 not a de Polignac number, because 142396238171 - 2⁶ = 142396238107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142396238471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22616 + ... + 534138.

It is an arithmetic number, because the mean of its divisors is an integer number (19418474088).

Almost surely, 2^142396238171 is an apocalyptic number.

142396238171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142396238171 is a deficient number, since it is larger than the sum of its proper divisors (12951554533).

142396238171 is a wasteful number, since it uses less digits than its factorization.

142396238171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536841.

The product of its digits is 435456, while the sum is 47.

The spelling of 142396238171 in words is "one hundred forty-two billion, three hundred ninety-six million, two hundred thirty-eight thousand, one hundred seventy-one".