142113 has 8 divisors (see below), whose sum is σ = 191488. Its totient is φ = 93744.

The previous prime is 142111. The next prime is 142123. The reversal of 142113 is 311241.

It is a happy number.

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

It is not a de Polignac number, because 142113 - 2¹ = 142111 is a prime.

It is a super-2 number, since 2×142113² = 40392209538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195 + ... + 567.

It is an arithmetic number, because the mean of its divisors is an integer number (23936).

2¹⁴²¹¹³ is an apocalyptic number.

It is an amenable number.

142113 is a deficient number, since it is larger than the sum of its proper divisors (49375).

142113 is a wasteful number, since it uses less digits than its factorization.

142113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its digits is 24, while the sum is 12.

The square root of 142113 is about 376.9787792436. The cubic root of 142113 is about 52.1848695891.

Adding to 142113 its reverse (311241), we get a palindrome (453354).

The spelling of 142113 in words is "one hundred forty-two thousand, one hundred thirteen".