43455043 has 4 divisors (see below), whose sum is σ = 46011240. Its totient is φ = 40898848.

The previous prime is 43455031. The next prime is 43455059. The reversal of 43455043 is 34055434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43455043 - 2⁵ = 43455011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43455143) 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 3 ways as a sum of consecutive naturals, for example, 1278073 + ... + 1278106.

It is an arithmetic number, because the mean of its divisors is an integer number (11502810).

Almost surely, 2^43455043 is an apocalyptic number.

43455043 is a deficient number, since it is larger than the sum of its proper divisors (2556197).

43455043 is a wasteful number, since it uses less digits than its factorization.

43455043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556196.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 43455043 is about 6592.0439167226. The cubic root of 43455043 is about 351.5712836508.

The spelling of 43455043 in words is "forty-three million, four hundred fifty-five thousand, forty-three".