4145217605 has 8 divisors (see below), whose sum is σ = 4977740952. Its totient is φ = 3313854208.

The previous prime is 4145217599. The next prime is 4145217641. The reversal of 4145217605 is 5067125414.

It can be written as a sum of positive squares in 4 ways, for example, as 583753921 + 3561463684 = 24161^2 + 59678^2 .

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 4145217605 - 2⁶ = 4145217541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 282104 + ... + 296433.

It is an arithmetic number, because the mean of its divisors is an integer number (622217619).

Almost surely, 2^4145217605 is an apocalyptic number.

It is an amenable number.

4145217605 is a deficient number, since it is larger than the sum of its proper divisors (832523347).

4145217605 is a wasteful number, since it uses less digits than its factorization.

4145217605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579975.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 4145217605 is about 64383.3643498070. The cubic root of 4145217605 is about 1606.3830439239.

The spelling of 4145217605 in words is "four billion, one hundred forty-five million, two hundred seventeen thousand, six hundred five".