142860171 has 8 divisors (see below), whose sum is σ = 191082384. Its totient is φ = 94939040.

The previous prime is 142860167. The next prime is 142860187. The reversal of 142860171 is 171068241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142860171 - 2² = 142860167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142860131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74160 + ... + 76061.

It is an arithmetic number, because the mean of its divisors is an integer number (23885298).

Almost surely, 2^142860171 is an apocalyptic number.

142860171 is a deficient number, since it is larger than the sum of its proper divisors (48222213).

142860171 is a wasteful number, since it uses less digits than its factorization.

142860171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150541.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 142860171 is about 11952.4127689768. The cubic root of 142860171 is about 522.7616521821.

The spelling of 142860171 in words is "one hundred forty-two million, eight hundred sixty thousand, one hundred seventy-one".