173216142 has 48 divisors (see below), whose sum is σ = 411360768. Its totient is φ = 52241040.

The previous prime is 173216119. The next prime is 173216221. The reversal of 173216142 is 241612371.

173216142 is a `hidden beast` number, since 17 + 32 + 1 + 614 + 2 = 666.

173216142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42193 + ... + 46115.

It is an arithmetic number, because the mean of its divisors is an integer number (8570016).

Almost surely, 2^173216142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173216142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205680384).

173216142 is an abundant number, since it is smaller than the sum of its proper divisors (238144626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173216142 is a wasteful number, since it uses less digits than its factorization.

173216142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4162 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 173216142 is about 13161.1603591781. The cubic root of 173216142 is about 557.4374219745.

The spelling of 173216142 in words is "one hundred seventy-three million, two hundred sixteen thousand, one hundred forty-two".