43456045 has 4 divisors (see below), whose sum is σ = 52147260. Its totient is φ = 34764832.

The previous prime is 43456031. The next prime is 43456051. The reversal of 43456045 is 54065434.

43456045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54065434 = 2 ⋅27032717.

It can be written as a sum of positive squares in 2 ways, for example, as 33802596 + 9653449 = 5814^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 43456045 - 2⁷ = 43455917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43455998 and 43456016.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4345600 + ... + 4345609.

It is an arithmetic number, because the mean of its divisors is an integer number (13036815).

Almost surely, 2^43456045 is an apocalyptic number.

It is an amenable number.

43456045 is a deficient number, since it is larger than the sum of its proper divisors (8691215).

43456045 is an equidigital number, since it uses as much as digits as its factorization.

43456045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691214.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 43456045 is about 6592.1199169918. The cubic root of 43456045 is about 351.5739858437.

The spelling of 43456045 in words is "forty-three million, four hundred fifty-six thousand, forty-five".