4144845 has 8 divisors (see below), whose sum is σ = 6631776. Its totient is φ = 2210576.

The previous prime is 4144817. The next prime is 4144849. The reversal of 4144845 is 5484414.

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 4144845 - 2⁶ = 4144781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138147 + ... + 138176.

It is an arithmetic number, because the mean of its divisors is an integer number (828972).

Almost surely, 2^4144845 is an apocalyptic number.

It is an amenable number.

4144845 is a deficient number, since it is larger than the sum of its proper divisors (2486931).

4144845 is a wasteful number, since it uses less digits than its factorization.

4144845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276331.

The product of its digits is 10240, while the sum is 30.

The square root of 4144845 is about 2035.8892406022. The cubic root of 4144845 is about 160.6334911003.

The spelling of 4144845 in words is "four million, one hundred forty-four thousand, eight hundred forty-five".