6345645 has 8 divisors (see below), whose sum is σ = 10153056. Its totient is φ = 3384336.

The previous prime is 6345629. The next prime is 6345659. The reversal of 6345645 is 5465436.

6345645 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6345645 - 2⁴ = 6345629 is a prime.

It is a super-3 number, since 3×6345645³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211507 + ... + 211536.

It is an arithmetic number, because the mean of its divisors is an integer number (1269132).

Almost surely, 2^6345645 is an apocalyptic number.

It is an amenable number.

6345645 is a deficient number, since it is larger than the sum of its proper divisors (3807411).

6345645 is a wasteful number, since it uses less digits than its factorization.

6345645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423051.

The product of its digits is 43200, while the sum is 33.

The square root of 6345645 is about 2519.0563709453. The cubic root of 6345645 is about 185.1364466972.

The spelling of 6345645 in words is "six million, three hundred forty-five thousand, six hundred forty-five".