142170167 has 4 divisors (see below), whose sum is σ = 150533136. Its totient is φ = 133807200.

The previous prime is 142170163. The next prime is 142170227. The reversal of 142170167 is 761071241.

142170167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142170167 - 2² = 142170163 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 (142170163) 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, 4181459 + ... + 4181492.

It is an arithmetic number, because the mean of its divisors is an integer number (37633284).

Almost surely, 2^142170167 is an apocalyptic number.

142170167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142170167 is a deficient number, since it is larger than the sum of its proper divisors (8362969).

142170167 is an equidigital number, since it uses as much as digits as its factorization.

142170167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362968.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 142170167 is about 11923.5131987179. The cubic root of 142170167 is about 521.9186602267.

The spelling of 142170167 in words is "one hundred forty-two million, one hundred seventy thousand, one hundred sixty-seven".