142146 has 24 divisors (see below), whose sum is σ = 315900. Its totient is φ = 46176.

The previous prime is 142123. The next prime is 142151. The reversal of 142146 is 641241.

142146 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 140625 + 1521 = 375^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880 + ... + 1028.

2¹⁴²¹⁴⁶ is an apocalyptic number.

142146 is an abundant number, since it is smaller than the sum of its proper divisors (173754).

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

142146 is a wasteful number, since it uses less digits than its factorization.

142146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 207 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 142146 is about 377.0225457449. The cubic root of 142146 is about 52.1889085520.

Adding to 142146 its reverse (641241), we get a palindrome (783387).

The spelling of 142146 in words is "one hundred forty-two thousand, one hundred forty-six".