417445345 has 4 divisors (see below), whose sum is σ = 500934420. Its totient is φ = 333956272.

The previous prime is 417445339. The next prime is 417445361. The reversal of 417445345 is 543544714.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84419344 + 333026001 = 9188^2 + 18249^2 .

It is a cyclic number.

It is not a de Polignac number, because 417445345 - 2³ = 417445337 is a prime.

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, 41744530 + ... + 41744539.

It is an arithmetic number, because the mean of its divisors is an integer number (125233605).

Almost surely, 2^417445345 is an apocalyptic number.

It is an amenable number.

417445345 is a deficient number, since it is larger than the sum of its proper divisors (83489075).

417445345 is an equidigital number, since it uses as much as digits as its factorization.

417445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83489074.

The product of its digits is 134400, while the sum is 37.

The square root of 417445345 is about 20431.4792660737. The cubic root of 417445345 is about 747.3657779234.

It can be divided in two parts, 41744 and 5345, that added together give a square (47089 = 217²).

The spelling of 417445345 in words is "four hundred seventeen million, four hundred forty-five thousand, three hundred forty-five".