8145252 has 48 divisors (see below), whose sum is σ = 21530880. Its totient is φ = 2661984.

The previous prime is 8145239. The next prime is 8145253. The reversal of 8145252 is 2525418.

It is a happy number.

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

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

It is not an unprimeable number, because it can be changed into a prime (8145253) 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 15 ways as a sum of consecutive naturals, for example, 5013 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (448560).

Almost surely, 2^8145252 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 8145252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10765440).

8145252 is an abundant number, since it is smaller than the sum of its proper divisors (13385628).

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

8145252 is a wasteful number, since it uses less digits than its factorization.

8145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1481 counting only the distinct ones).

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

The square root of 8145252 is about 2853.9887876444. The cubic root of 8145252 is about 201.2031806007.

The spelling of 8145252 in words is "eight million, one hundred forty-five thousand, two hundred fifty-two".