3645564445 has 8 divisors (see below), whose sum is σ = 4375026144. Its totient is φ = 2916219024.

The previous prime is 3645564427. The next prime is 3645564449. The reversal of 3645564445 is 5444655463.

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 3645564445 - 2⁵ = 3645564413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645564395 and 3645564404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645564449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71622 + ... + 111448.

It is an arithmetic number, because the mean of its divisors is an integer number (546878268).

Almost surely, 2^3645564445 is an apocalyptic number.

It is an amenable number.

3645564445 is a deficient number, since it is larger than the sum of its proper divisors (729461699).

3645564445 is a wasteful number, since it uses less digits than its factorization.

3645564445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58139.

The product of its digits is 3456000, while the sum is 46.

The square root of 3645564445 is about 60378.5097944625. The cubic root of 3645564445 is about 1539.0577871988.

The spelling of 3645564445 in words is "three billion, six hundred forty-five million, five hundred sixty-four thousand, four hundred forty-five".