173142873 has 16 divisors (see below), whose sum is σ = 267661440. Its totient is φ = 110409552.

The previous prime is 173142859. The next prime is 173142883. The reversal of 173142873 is 378241371.

It is not a de Polignac number, because 173142873 - 2⁴ = 173142857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173142883) 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, 138786 + ... + 140027.

It is an arithmetic number, because the mean of its divisors is an integer number (16728840).

Almost surely, 2^173142873 is an apocalyptic number.

It is an amenable number.

173142873 is a deficient number, since it is larger than the sum of its proper divisors (94518567).

173142873 is a wasteful number, since it uses less digits than its factorization.

173142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278845 (or 278839 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 173142873 is about 13158.3765336002. The cubic root of 173142873 is about 557.3588137454.

The spelling of 173142873 in words is "one hundred seventy-three million, one hundred forty-two thousand, eight hundred seventy-three".