3645345305 has 16 divisors (see below), whose sum is σ = 5029274880. Its totient is φ = 2484693312.

The previous prime is 3645345293. The next prime is 3645345317. The reversal of 3645345305 is 5035435463.

3645345305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3645345293) and next prime (3645345317).

It is a cyclic number.

It is not a de Polignac number, because 3645345305 - 2⁴ = 3645345289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305990 + ... + 317679.

It is an arithmetic number, because the mean of its divisors is an integer number (314329680).

Almost surely, 2^3645345305 is an apocalyptic number.

3645345305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3645345305 is a deficient number, since it is larger than the sum of its proper divisors (1383929575).

3645345305 is a wasteful number, since it uses less digits than its factorization.

3645345305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623848.

The product of its (nonzero) digits is 324000, while the sum is 38.

The square root of 3645345305 is about 60376.6950486692. The cubic root of 3645345305 is about 1539.0269482724.

The spelling of 3645345305 in words is "three billion, six hundred forty-five million, three hundred forty-five thousand, three hundred five".