43145345 has 8 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 34486384.

The previous prime is 43145317. The next prime is 43145353. The reversal of 43145345 is 54354134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43145345 - 2¹² = 43141249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4112 + ... + 10158.

It is an arithmetic number, because the mean of its divisors is an integer number (6477408).

Almost surely, 2^43145345 is an apocalyptic number.

It is an amenable number.

43145345 is a deficient number, since it is larger than the sum of its proper divisors (8673919).

43145345 is a wasteful number, since it uses less digits than its factorization.

43145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479.

The product of its digits is 14400, while the sum is 29.

The square root of 43145345 is about 6568.5116274541. The cubic root of 43145345 is about 350.7340918883.

Adding to 43145345 its reverse (54354134), we get a palindrome (97499479).

The spelling of 43145345 in words is "forty-three million, one hundred forty-five thousand, three hundred forty-five".