43318242 has 36 divisors (see below), whose sum is σ = 103169430. Its totient is φ = 13126080.

The previous prime is 43318241. The next prime is 43318259. The reversal of 43318242 is 24281334.

It can be written as a sum of positive squares in only one way, i.e., 26842761 + 16475481 = 5181^2 + 4059^2 .

It is not an unprimeable number, because it can be changed into a prime (43318241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7767 + ... + 12122.

Almost surely, 2^43318242 is an apocalyptic number.

43318242 is an abundant number, since it is smaller than the sum of its proper divisors (59851188).

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

43318242 is a wasteful number, since it uses less digits than its factorization.

43318242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19919 (or 19905 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 43318242 is about 6581.6595171735. The cubic root of 43318242 is about 351.2019681623.

Adding to 43318242 its reverse (24281334), we get a palindrome (67599576).

The spelling of 43318242 in words is "forty-three million, three hundred eighteen thousand, two hundred forty-two".