3045643 has 8 divisors (see below), whose sum is σ = 3229520. Its totient is φ = 2864160.

The previous prime is 3045631. The next prime is 3045661. The reversal of 3045643 is 3465403.

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 3045643 - 2⁵ = 3045611 is a prime.

It is a Duffinian number.

3045643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3045613) 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, 2473 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (403690).

Almost surely, 2^3045643 is an apocalyptic number.

3045643 is a deficient number, since it is larger than the sum of its proper divisors (183877).

3045643 is a wasteful number, since it uses less digits than its factorization.

3045643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3045643 is about 1745.1770683802. The cubic root of 3045643 is about 144.9527075259.

The spelling of 3045643 in words is "three million, forty-five thousand, six hundred forty-three".