4143564 has 18 divisors (see below), whose sum is σ = 10474100. Its totient is φ = 1381176.

The previous prime is 4143551. The next prime is 4143569. The reversal of 4143564 is 4653414.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (4143569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57514 + ... + 57585.

Almost surely, 2^4143564 is an apocalyptic number.

It is an amenable number.

4143564 is an abundant number, since it is smaller than the sum of its proper divisors (6330536).

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

4143564 is a wasteful number, since it uses less digits than its factorization.

4143564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115109 (or 115104 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4143564 is about 2035.5746117497. The cubic root of 4143564 is about 160.6169410078.

Adding to 4143564 its reverse (4653414), we get a palindrome (8796978).

The spelling of 4143564 in words is "four million, one hundred forty-three thousand, five hundred sixty-four".