8165142 has 24 divisors (see below), whose sum is σ = 17943120. Its totient is φ = 2682960.

The previous prime is 8165111. The next prime is 8165149. The reversal of 8165142 is 2415618.

8165142 is a `hidden beast` number, since 8 + 1 + 651 + 4 + 2 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1917 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (747630).

Almost surely, 2^8165142 is an apocalyptic number.

8165142 is an abundant number, since it is smaller than the sum of its proper divisors (9777978).

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

8165142 is a wasteful number, since it uses less digits than its factorization.

8165142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468 (or 6465 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 8165142 is about 2857.4712596980. The cubic root of 8165142 is about 201.3668210552.

The spelling of 8165142 in words is "eight million, one hundred sixty-five thousand, one hundred forty-two".