43345245 has 8 divisors (see below), whose sum is σ = 69352416. Its totient is φ = 23117456.

The previous prime is 43345243. The next prime is 43345249. The reversal of 43345245 is 54254334.

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 43345245 - 2¹ = 43345243 is a prime.

It is a super-2 number, since 2×43345245² = 3757620528220050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43345243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444827 + ... + 1444856.

It is an arithmetic number, because the mean of its divisors is an integer number (8669052).

Almost surely, 2^43345245 is an apocalyptic number.

It is an amenable number.

43345245 is a deficient number, since it is larger than the sum of its proper divisors (26007171).

43345245 is a wasteful number, since it uses less digits than its factorization.

43345245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889691.

The product of its digits is 28800, while the sum is 30.

The square root of 43345245 is about 6583.7105799086. The cubic root of 43345245 is about 351.2749284706.

Adding to 43345245 its reverse (54254334), we get a palindrome (97599579).

The spelling of 43345245 in words is "forty-three million, three hundred forty-five thousand, two hundred forty-five".