6645148 has 18 divisors (see below), whose sum is σ = 11835096. Its totient is φ = 3264408.

The previous prime is 6645139. The next prime is 6645151. The reversal of 6645148 is 8415466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52261 + ... + 52387.

Almost surely, 2^6645148 is an apocalyptic number.

It is an amenable number.

6645148 is a deficient number, since it is larger than the sum of its proper divisors (5189948).

6645148 is a wasteful number, since it uses less digits than its factorization.

6645148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 232 counting only the distinct ones).

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

The square root of 6645148 is about 2577.8184575334. The cubic root of 6645148 is about 188.0044891036.

The spelling of 6645148 in words is "six million, six hundred forty-five thousand, one hundred forty-eight".