8501142 has 32 divisors (see below), whose sum is σ = 18573408. Its totient is φ = 2578176.

The previous prime is 8501123. The next prime is 8501159. The reversal of 8501142 is 2411058.

8501142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (580419).

Almost surely, 2^8501142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8501142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9286704).

8501142 is an abundant number, since it is smaller than the sum of its proper divisors (10072266).

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

8501142 is a wasteful number, since it uses less digits than its factorization.

8501142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8501142 is about 2915.6717922290. The cubic root of 8501142 is about 204.0918943927.

The spelling of 8501142 in words is "eight million, five hundred one thousand, one hundred forty-two".