444148 has 12 divisors (see below), whose sum is σ = 798532. Its totient is φ = 216000.
The previous prime is 444131. The next prime is 444151. The reversal of 444148 is 841444.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 116964 = 572^2 + 342^2 .
It is a congruent number.
It is an unprimeable number.
444148 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 1353 + ... + 1648.
2444148 is an apocalyptic number.
It is an amenable number.
444148 is a deficient number, since it is larger than the sum of its proper divisors (354384).
444148 is a wasteful number, since it uses less digits than its factorization.
444148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3042 (or 3040 counting only the distinct ones).
The product of its digits is 2048, while the sum is 25.
The square root of 444148 is about 666.4442962469. Note that the first 3 decimals coincide. The cubic root of 444148 is about 76.2973118542.
It can be divided in two parts, 4441 and 48, that added together give a square (4489 = 672).
The spelling of 444148 in words is "four hundred forty-four thousand, one hundred forty-eight".
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