142873171 has 24 divisors (see below), whose sum is σ = 174403584. Its totient is φ = 116479440.

The previous prime is 142873153. The next prime is 142873183. The reversal of 142873171 is 171378241.

It is not a de Polignac number, because 142873171 - 2⁵ = 142873139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142873121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372846 + ... + 373228.

It is an arithmetic number, because the mean of its divisors is an integer number (7266816).

Almost surely, 2^142873171 is an apocalyptic number.

142873171 is a deficient number, since it is larger than the sum of its proper divisors (31530413).

142873171 is a wasteful number, since it uses less digits than its factorization.

142873171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 744 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 142873171 is about 11952.9565798592. The cubic root of 142873171 is about 522.7775084685. Note that the first 3 decimals are identical.

The spelling of 142873171 in words is "one hundred forty-two million, eight hundred seventy-three thousand, one hundred seventy-one".