142000171 has 4 divisors (see below), whose sum is σ = 142365600. Its totient is φ = 141634744.

The previous prime is 142000169. The next prime is 142000241. The reversal of 142000171 is 171000241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171000241 = 47 ⋅3638303.

It is a cyclic number.

It is not a de Polignac number, because 142000171 - 2¹ = 142000169 is a prime.

It is a super-3 number, since 3×142000171³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142000121) 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, 182131 + ... + 182908.

It is an arithmetic number, because the mean of its divisors is an integer number (35591400).

Almost surely, 2^142000171 is an apocalyptic number.

142000171 is a deficient number, since it is larger than the sum of its proper divisors (365429).

142000171 is an equidigital number, since it uses as much as digits as its factorization.

142000171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365428.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 142000171 is about 11916.3824628114. The cubic root of 142000171 is about 521.7105540465.

The spelling of 142000171 in words is "one hundred forty-two million, one hundred seventy-one", and thus it is an aban number.