8145636 has 48 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 2582272.

The previous prime is 8145629. The next prime is 8145637. The reversal of 8145636 is 6365418.

8145636 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8145597 and 8145606.

It is not an unprimeable number, because it can be changed into a prime (8145637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30841 + ... + 31103.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^8145636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8145636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9979200).

8145636 is an abundant number, since it is smaller than the sum of its proper divisors (11812764).

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

8145636 is a wasteful number, since it uses less digits than its factorization.

8145636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 8145636 is about 2854.0560611172. The cubic root of 8145636 is about 201.2063423939.

The spelling of 8145636 in words is "eight million, one hundred forty-five thousand, six hundred thirty-six".