173171443142 has 8 divisors (see below), whose sum is σ = 259761234096. Its totient is φ = 86584365112.

The previous prime is 173171443129. The next prime is 173171443147. The reversal of 173171443142 is 241344171371.

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

It is a junction number, because it is equal to n+sod(n) for n = 173171443096 and 173171443105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173171443147) 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, 510338 + ... + 778965.

It is an arithmetic number, because the mean of its divisors is an integer number (32470154262).

Almost surely, 2^173171443142 is an apocalyptic number.

173171443142 is a deficient number, since it is larger than the sum of its proper divisors (86589790954).

173171443142 is a wasteful number, since it uses less digits than its factorization.

173171443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356462.

The product of its digits is 56448, while the sum is 38.

The spelling of 173171443142 in words is "one hundred seventy-three billion, one hundred seventy-one million, four hundred forty-three thousand, one hundred forty-two".