5143664 has 20 divisors (see below), whose sum is σ = 10036560. Its totient is φ = 2553600.

The previous prime is 5143637. The next prime is 5143667. The reversal of 5143664 is 4663415.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (501828).

Almost surely, 2^5143664 is an apocalyptic number.

It is an amenable number.

5143664 is a deficient number, since it is larger than the sum of its proper divisors (4892896).

5143664 is a wasteful number, since it uses less digits than its factorization.

5143664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2282 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 5143664 is about 2267.9647263571. The cubic root of 5143664 is about 172.6199012369.

Subtracting from 5143664 its reverse (4663415), we obtain a square (480249 = 693²).

The spelling of 5143664 in words is "five million, one hundred forty-three thousand, six hundred sixty-four".