43543242 has 12 divisors (see below), whose sum is σ = 94343730. Its totient is φ = 14514408.

The previous prime is 43543223. The next prime is 43543249. The reversal of 43543242 is 24234534.

It can be written as a sum of positive squares in only one way, i.e., 38303721 + 5239521 = 6189^2 + 2289^2 .

It is not an unprimeable number, because it can be changed into a prime (43543249) 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, 1209517 + ... + 1209552.

Almost surely, 2^43543242 is an apocalyptic number.

43543242 is an abundant number, since it is smaller than the sum of its proper divisors (50800488).

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

43543242 is a wasteful number, since it uses less digits than its factorization.

43543242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419077 (or 2419074 counting only the distinct ones).

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

The square root of 43543242 is about 6598.7303324200. The cubic root of 43543242 is about 351.8089797339.

Adding to 43543242 its reverse (24234534), we get a palindrome (67777776).

The spelling of 43543242 in words is "forty-three million, five hundred forty-three thousand, two hundred forty-two".