8000142 has 8 divisors (see below), whose sum is σ = 16000296. Its totient is φ = 2666712.

The previous prime is 8000141. The next prime is 8000171. The reversal of 8000142 is 2410008.

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

8000142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 666673 + ... + 666684.

It is an arithmetic number, because the mean of its divisors is an integer number (2000037).

Almost surely, 2^8000142 is an apocalyptic number.

8000142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8000142 is a wasteful number, since it uses less digits than its factorization.

8000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333362.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8000142 is about 2828.4522269255. The cubic root of 8000142 is about 200.0011833263.

The spelling of 8000142 in words is "eight million, one hundred forty-two", and thus it is an aban number.