43454345 has 32 divisors (see below), whose sum is σ = 58821120. Its totient is φ = 30551040.

The previous prime is 43454309. The next prime is 43454347. The reversal of 43454345 is 54345434.

43454345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

43454345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 43454345 - 2¹⁰ = 43453321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43454347) 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 31 ways as a sum of consecutive naturals, for example, 317117 + ... + 317253.

It is an arithmetic number, because the mean of its divisors is an integer number (1838160).

Almost surely, 2^43454345 is an apocalyptic number.

It is an amenable number.

43454345 is a deficient number, since it is larger than the sum of its proper divisors (15366775).

43454345 is a wasteful number, since it uses less digits than its factorization.

43454345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 57600, while the sum is 32.

The square root of 43454345 is about 6591.9909739016. The cubic root of 43454345 is about 351.5694012604.

Adding to 43454345 its reverse (54345434), we get a palindrome (97799779).

The spelling of 43454345 in words is "forty-three million, four hundred fifty-four thousand, three hundred forty-five".