43425545 has 16 divisors (see below), whose sum is σ = 55058880. Its totient is φ = 32788800.

The previous prime is 43425539. The next prime is 43425553. The reversal of 43425545 is 54552434.

43425545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43425545 - 2⁸ = 43425289 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30755 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (3441180).

Almost surely, 2^43425545 is an apocalyptic number.

It is an amenable number.

43425545 is a deficient number, since it is larger than the sum of its proper divisors (11633335).

43425545 is a wasteful number, since it uses less digits than its factorization.

43425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its digits is 48000, while the sum is 32.

The square root of 43425545 is about 6589.8061428239. The cubic root of 43425545 is about 351.4917148483.

Adding to 43425545 its reverse (54552434), we get a palindrome (97977979).

The spelling of 43425545 in words is "forty-three million, four hundred twenty-five thousand, five hundred forty-five".