4543812 has 144 divisors (see below), whose sum is σ = 15084160. Its totient is φ = 1119744.

The previous prime is 4543801. The next prime is 4543813. The reversal of 4543812 is 2183454.

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

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4543813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62208 + ... + 62280.

Almost surely, 2^4543812 is an apocalyptic number.

4543812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7542080).

4543812 is an abundant number, since it is smaller than the sum of its proper divisors (10540348).

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

4543812 is a wasteful number, since it uses less digits than its factorization.

4543812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 117 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4543812 is about 2131.6219176955. The cubic root of 4543812 is about 165.6304256915.

The spelling of 4543812 in words is "four million, five hundred forty-three thousand, eight hundred twelve".