444146 has 4 divisors (see below), whose sum is σ = 666222. Its totient is φ = 222072.

The previous prime is 444131. The next prime is 444151. The reversal of 444146 is 641444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 7225 = 661^2 + 85^2 .

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 as a sum of consecutive naturals, namely, 111035 + ... + 111038.

2⁴⁴⁴¹⁴⁶ is an apocalyptic number.

444146 is a deficient number, since it is larger than the sum of its proper divisors (222076).

444146 is a wasteful number, since it uses less digits than its factorization.

444146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222075.

The product of its digits is 1536, while the sum is 23.

The square root of 444146 is about 666.4427957447. The cubic root of 444146 is about 76.2971973317.

The spelling of 444146 in words is "four hundred forty-four thousand, one hundred forty-six".