6630145 has 16 divisors (see below), whose sum is σ = 8470080. Its totient is φ = 4968000.

The previous prime is 6630137. The next prime is 6630157. The reversal of 6630145 is 5410366.

It is not a de Polignac number, because 6630145 - 2³ = 6630137 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9250 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (529380).

Almost surely, 2^6630145 is an apocalyptic number.

It is an amenable number.

6630145 is a deficient number, since it is larger than the sum of its proper divisors (1839935).

6630145 is a wasteful number, since it uses less digits than its factorization.

6630145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6630145 is about 2574.9067944297. The cubic root of 6630145 is about 187.8628942254.

The spelling of 6630145 in words is "six million, six hundred thirty thousand, one hundred forty-five".