43452 has 36 divisors (see below), whose sum is σ = 117936. Its totient is φ = 13440.

The previous prime is 43451. The next prime is 43457. The reversal of 43452 is 25434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a nialpdrome in base 6 and base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43452.

It is not an unprimeable number, because it can be changed into a prime (43451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (3276).

2⁴³⁴⁵² 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 43452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968).

43452 is an abundant number, since it is smaller than the sum of its proper divisors (74484).

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

43452 is a wasteful number, since it uses less digits than its factorization.

43452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 93 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 43452 is about 208.4514331925. The cubic root of 43452 is about 35.1563077036.

Subtracting from 43452 its sum of digits (18), we obtain a palindrome (43434).

Adding to 43452 its reverse (25434), we get a palindrome (68886).

The spelling of 43452 in words is "forty-three thousand, four hundred fifty-two".