244145 has 16 divisors (see below), whose sum is σ = 335232. Its totient is φ = 168960.
The previous prime is 244141. The next prime is 244147. The reversal of 244145 is 541442.
244145 = T310 + T311 + ... + T314.
It is not a de Polignac number, because 244145 - 22 = 244141 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (244141) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1169 + ... + 1361.
It is an arithmetic number, because the mean of its divisors is an integer number (20952).
2244145 is an apocalyptic number.
It is an amenable number.
244145 is a deficient number, since it is larger than the sum of its proper divisors (91087).
244145 is a wasteful number, since it uses less digits than its factorization.
244145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232.
The product of its digits is 640, while the sum is 20.
The square root of 244145 is about 494.1103115702. The cubic root of 244145 is about 62.5003733311.
Adding to 244145 its reverse (541442), we get a palindrome (785587).
The spelling of 244145 in words is "two hundred forty-four thousand, one hundred forty-five".
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