4144345 has 8 divisors (see below), whose sum is σ = 5265864. Its totient is φ = 3120384.

The previous prime is 4144331. The next prime is 4144363. The reversal of 4144345 is 5434414.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 3798601 = 588^2 + 1949^2 .

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

It is not a de Polignac number, because 4144345 - 2⁹ = 4143833 is a prime.

It is a Duffinian number.

4144345 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24294 + ... + 24463.

It is an arithmetic number, because the mean of its divisors is an integer number (658233).

Almost surely, 2^4144345 is an apocalyptic number.

It is an amenable number.

4144345 is a deficient number, since it is larger than the sum of its proper divisors (1121519).

4144345 is a wasteful number, since it uses less digits than its factorization.

4144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48779.

The product of its digits is 3840, while the sum is 25.

The square root of 4144345 is about 2035.7664404347. The cubic root of 4144345 is about 160.6270316730.

Adding to 4144345 its reverse (5434414), we get a palindrome (9578759).

It can be divided in two parts, 4144 and 345, that added together give a square (4489 = 67²).

The spelling of 4144345 in words is "four million, one hundred forty-four thousand, three hundred forty-five".