444145 has 8 divisors (see below), whose sum is σ = 574056. Its totient is φ = 327936.

The previous prime is 444131. The next prime is 444151. The reversal of 444145 is 541444.

444145 = T₁₃₁ + T₁₃₂ + ... + T₁₆₉.

It can be written as a sum of positive squares in 4 ways, for example, as 3249 + 440896 = 57^2 + 664^2 .

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 444145 - 2⁵ = 444113 is a prime.

It is a Duffinian number.

It is a congruent 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, 3352 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (71757).

2⁴⁴⁴¹⁴⁵ is an apocalyptic number.

It is an amenable number.

444145 is a deficient number, since it is larger than the sum of its proper divisors (129911).

444145 is a wasteful number, since it uses less digits than its factorization.

444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851.

The product of its digits is 1280, while the sum is 22.

The square root of 444145 is about 666.4420454923. The cubic root of 444145 is about 76.2971400703.

Adding to 444145 its reverse (541444), we get a palindrome (985589).

The spelling of 444145 in words is "four hundred forty-four thousand, one hundred forty-five".