142066170 has 64 divisors (see below), whose sum is σ = 395331840. Its totient is φ = 36235584.

The previous prime is 142066139. The next prime is 142066181. The reversal of 142066170 is 71660241.

142066170 is a `hidden beast` number, since 1 + 42 + 0 + 6 + 617 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5229 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (6177060).

Almost surely, 2^142066170 is an apocalyptic number.

142066170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142066170 is an abundant number, since it is smaller than the sum of its proper divisors (253265670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142066170 is a wasteful number, since it uses less digits than its factorization.

142066170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916 (or 22910 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 142066170 is about 11919.1513959678. The cubic root of 142066170 is about 521.7913686011.

The spelling of 142066170 in words is "one hundred forty-two million, sixty-six thousand, one hundred seventy".