142000173 has 12 divisors (see below), whose sum is σ = 234413088. Its totient is φ = 81142920.

The previous prime is 142000169. The next prime is 142000241. The reversal of 142000173 is 371000241.

It is not a de Polignac number, because 142000173 - 2² = 142000169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126923 + ... + 1127048.

It is an arithmetic number, because the mean of its divisors is an integer number (19534424).

Almost surely, 2^142000173 is an apocalyptic number.

It is an amenable number.

142000173 is a deficient number, since it is larger than the sum of its proper divisors (92412915).

142000173 is a wasteful number, since it uses less digits than its factorization.

142000173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253984 (or 2253981 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 142000173 is about 11916.3825467295. The cubic root of 142000173 is about 521.7105564958.

The spelling of 142000173 in words is "one hundred forty-two million, one hundred seventy-three", and thus it is an aban number.