43234542 has 48 divisors (see below), whose sum is σ = 102302928. Its totient is φ = 13115520.

The previous prime is 43234531. The next prime is 43234561. The reversal of 43234542 is 24543234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15817 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (2131311).

Almost surely, 2^43234542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43234542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51151464).

43234542 is an abundant number, since it is smaller than the sum of its proper divisors (59068386).

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

43234542 is a wasteful number, since it uses less digits than its factorization.

43234542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2622 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 43234542 is about 6575.2978639754. The cubic root of 43234542 is about 350.9756235050.

Adding to 43234542 its reverse (24543234), we get a palindrome (67777776).

The spelling of 43234542 in words is "forty-three million, two hundred thirty-four thousand, five hundred forty-two".