8522143 has 8 divisors (see below), whose sum is σ = 10075680. Its totient is φ = 7052640.

The previous prime is 8522141. The next prime is 8522147. The reversal of 8522143 is 3412258.

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

It is not a de Polignac number, because 8522143 - 2¹ = 8522141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8522141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20788 + ... + 21193.

It is an arithmetic number, because the mean of its divisors is an integer number (1259460).

Almost surely, 2^8522143 is an apocalyptic number.

8522143 is a deficient number, since it is larger than the sum of its proper divisors (1553537).

8522143 is a wasteful number, since it uses less digits than its factorization.

8522143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42017.

The product of its digits is 1920, while the sum is 25.

The square root of 8522143 is about 2919.2709706363. The cubic root of 8522143 is about 204.2598172929.

It can be divided in two parts, 85221 and 43, that added together give a square (85264 = 292²).

The spelling of 8522143 in words is "eight million, five hundred twenty-two thousand, one hundred forty-three".