6648145 has 8 divisors (see below), whose sum is σ = 9117504. Its totient is φ = 4558704.

The previous prime is 6648143. The next prime is 6648203. The reversal of 6648145 is 5418466.

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 6648145 - 2¹ = 6648143 is a prime.

It is an Ulam number.

It is a Duffinian number.

6648145 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6648145.

It is not an unprimeable number, because it can be changed into a prime (6648143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94939 + ... + 95008.

It is an arithmetic number, because the mean of its divisors is an integer number (1139688).

Almost surely, 2^6648145 is an apocalyptic number.

It is an amenable number.

6648145 is a deficient number, since it is larger than the sum of its proper divisors (2469359).

6648145 is a wasteful number, since it uses less digits than its factorization.

6648145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189959.

The product of its digits is 23040, while the sum is 34.

The square root of 6648145 is about 2578.3996974868. The cubic root of 6648145 is about 188.0327485579.

The spelling of 6648145 in words is "six million, six hundred forty-eight thousand, one hundred forty-five".