3645603445 has 8 divisors (see below), whose sum is σ = 4772426400. Its totient is φ = 2651347920.

The previous prime is 3645603443. The next prime is 3645603491. The reversal of 3645603445 is 5443065463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3645603445 - 2¹ = 3645603443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3645603398 and 3645603407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645603443) 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, 33141795 + ... + 33141904.

It is an arithmetic number, because the mean of its divisors is an integer number (596553300).

Almost surely, 2^3645603445 is an apocalyptic number.

It is an amenable number.

3645603445 is a deficient number, since it is larger than the sum of its proper divisors (1126822955).

3645603445 is a wasteful number, since it uses less digits than its factorization.

3645603445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66283715.

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 3645603445 is about 60378.8327561903. The cubic root of 3645603445 is about 1539.0632754244.

The spelling of 3645603445 in words is "three billion, six hundred forty-five million, six hundred three thousand, four hundred forty-five".