142055 has 4 divisors (see below), whose sum is σ = 170472. Its totient is φ = 113640.

The previous prime is 142049. The next prime is 142057. The reversal of 142055 is 550241.

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

It is not a de Polignac number, because 142055 - 2⁴ = 142039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142055.

It is not an unprimeable number, because it can be changed into a prime (142057) 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, 14201 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (42618).

2¹⁴²⁰⁵⁵ is an apocalyptic number.

142055 is a deficient number, since it is larger than the sum of its proper divisors (28417).

142055 is an equidigital number, since it uses as much as digits as its factorization.

142055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28416.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 142055 is about 376.9018439859. The cubic root of 142055 is about 52.1777692903.

Adding to 142055 its reverse (550241), we get a palindrome (692296).

The spelling of 142055 in words is "one hundred forty-two thousand, fifty-five".