142180 has 12 divisors (see below), whose sum is σ = 298620. Its totient is φ = 56864.

The previous prime is 142169. The next prime is 142183. The reversal of 142180 is 81241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34596 + 107584 = 186^2 + 328^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (142183) by changing a digit.

142180 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (24885).

2¹⁴²¹⁸⁰ is an apocalyptic number.

142180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142180 is an abundant number, since it is smaller than the sum of its proper divisors (156440).

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

142180 is a wasteful number, since it uses less digits than its factorization.

142180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 142180 is about 377.0676331907. The cubic root of 142180 is about 52.1930692540.

The spelling of 142180 in words is "one hundred forty-two thousand, one hundred eighty".