142255 has 8 divisors (see below), whose sum is σ = 178272. Its totient is φ = 108768.

The previous prime is 142237. The next prime is 142271. The reversal of 142255 is 552241.

142255 = T₈₂ + T₈₃ + ... + T₁₁₁.

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

It is a cyclic number.

It is not a de Polignac number, because 142255 - 2⁵ = 142223 is a prime.

It is a Duffinian number.

142255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (22284).

2¹⁴²²⁵⁵ is an apocalyptic number.

142255 is a deficient number, since it is larger than the sum of its proper divisors (36017).

142255 is a wasteful number, since it uses less digits than its factorization.

142255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its digits is 400, while the sum is 19.

The square root of 142255 is about 377.1670717335. The cubic root of 142255 is about 52.2022449282.

Adding to 142255 its reverse (552241), we get a palindrome (694496).

It can be divided in two parts, 1422 and 55, that multiplied together give a triangular number (78210 = T₃₉₅).

The spelling of 142255 in words is "one hundred forty-two thousand, two hundred fifty-five".