4144785 has 8 divisors (see below), whose sum is σ = 6631680. Its totient is φ = 2210544.

The previous prime is 4144783. The next prime is 4144801. The reversal of 4144785 is 5874414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4144785 - 2¹ = 4144783 is a prime.

4144785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4144781) 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, 138145 + ... + 138174.

It is an arithmetic number, because the mean of its divisors is an integer number (828960).

Almost surely, 2^4144785 is an apocalyptic number.

It is an amenable number.

4144785 is a deficient number, since it is larger than the sum of its proper divisors (2486895).

4144785 is a wasteful number, since it uses less digits than its factorization.

4144785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276327.

The product of its digits is 17920, while the sum is 33.

The square root of 4144785 is about 2035.8745049732. The cubic root of 4144785 is about 160.6327159965.

The spelling of 4144785 in words is "four million, one hundred forty-four thousand, seven hundred eighty-five".