8142255 has 32 divisors (see below), whose sum is σ = 15793920. Its totient is φ = 3947040.

The previous prime is 8142247. The next prime is 8142271. The reversal of 8142255 is 5522418.

It is a happy number.

It is not a de Polignac number, because 8142255 - 2³ = 8142247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1257 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (493560).

Almost surely, 2^8142255 is an apocalyptic number.

8142255 is a deficient number, since it is larger than the sum of its proper divisors (7651665).

8142255 is a wasteful number, since it uses less digits than its factorization.

8142255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5502 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 8142255 is about 2853.4636847172. The cubic root of 8142255 is about 201.1785003778.

The spelling of 8142255 in words is "eight million, one hundred forty-two thousand, two hundred fifty-five".