43245642 has 24 divisors (see below), whose sum is σ = 95070528. Its totient is φ = 13104520.

The previous prime is 43245623. The next prime is 43245649. The reversal of 43245642 is 24654234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29058 + ... + 30509.

It is an arithmetic number, because the mean of its divisors is an integer number (3961272).

Almost surely, 2^43245642 is an apocalyptic number.

43245642 is an abundant number, since it is smaller than the sum of its proper divisors (51824886).

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

43245642 is a wasteful number, since it uses less digits than its factorization.

43245642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59594 (or 59583 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 43245642 is about 6576.1418780315. The cubic root of 43245642 is about 351.0056573304.

Adding to 43245642 its reverse (24654234), we get a palindrome (67899876).

The spelling of 43245642 in words is "forty-three million, two hundred forty-five thousand, six hundred forty-two".