43442534 has 16 divisors (see below), whose sum is σ = 67144896. Its totient is φ = 21067200.

The previous prime is 43442533. The next prime is 43442537. The reversal of 43442534 is 43524434.

43442534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43442497 and 43442506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13379 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (4196556).

Almost surely, 2^43442534 is an apocalyptic number.

43442534 is a deficient number, since it is larger than the sum of its proper divisors (23702362).

43442534 is a wasteful number, since it uses less digits than its factorization.

43442534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its digits is 23040, while the sum is 29.

The square root of 43442534 is about 6591.0950531759. The cubic root of 43442534 is about 351.5375458923.

Adding to 43442534 its reverse (43524434), we get a palindrome (86966968).

The spelling of 43442534 in words is "forty-three million, four hundred forty-two thousand, five hundred thirty-four".