10644145 has 8 divisors (see below), whose sum is σ = 12812904. Its totient is φ = 8488704.

The previous prime is 10644121. The next prime is 10644163. The reversal of 10644145 is 54144601.

It can be written as a sum of positive squares in 4 ways, for example, as 512656 + 10131489 = 716^2 + 3183^2 .

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 10644145 - 2⁷ = 10644017 is a prime.

It is a super-2 number, since 2×10644145² = 226595645562050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 1474 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1601613).

Almost surely, 2^10644145 is an apocalyptic number.

It is an amenable number.

10644145 is a deficient number, since it is larger than the sum of its proper divisors (2168759).

10644145 is an equidigital number, since it uses as much as digits as its factorization.

10644145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 10644145 is about 3262.5365898331. The cubic root of 10644145 is about 219.9734472086.

Adding to 10644145 its reverse (54144601), we get a palindrome (64788746).

The spelling of 10644145 in words is "ten million, six hundred forty-four thousand, one hundred forty-five".