43573345 has 4 divisors (see below), whose sum is σ = 52288020. Its totient is φ = 34858672.

The previous prime is 43573333. The next prime is 43573357. The reversal of 43573345 is 54337534.

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

It is an interprime number because it is at equal distance from previous prime (43573333) and next prime (43573357).

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 27962944 = 3951^2 + 5288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43573345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43573345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357330 + ... + 4357339.

It is an arithmetic number, because the mean of its divisors is an integer number (13072005).

Almost surely, 2^43573345 is an apocalyptic number.

It is an amenable number.

43573345 is a deficient number, since it is larger than the sum of its proper divisors (8714675).

43573345 is an equidigital number, since it uses as much as digits as its factorization.

43573345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714674.

The product of its digits is 75600, while the sum is 34.

The square root of 43573345 is about 6601.0109074293. The cubic root of 43573345 is about 351.8900337669.

The spelling of 43573345 in words is "forty-three million, five hundred seventy-three thousand, three hundred forty-five".