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144244 = 2236061
BaseRepresentation
bin100011001101110100
321022212101
4203031310
514103434
63031444
71140352
oct431564
9238771
10144244
1199411
126b584
1350869
143a7d2
152cb14
hex23374

144244 has 6 divisors (see below), whose sum is σ = 252434. Its totient is φ = 72120.

The previous prime is 144241. The next prime is 144247. The reversal of 144244 is 442441.

144244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144241) and next prime (144247).

It can be written as a sum of positive squares in only one way, i.e., 108900 + 35344 = 330^2 + 188^2 .

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18027 + ... + 18034.

2144244 is an apocalyptic number.

It is an amenable number.

144244 is a deficient number, since it is larger than the sum of its proper divisors (108190).

144244 is a wasteful number, since it uses less digits than its factorization.

144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36065 (or 36063 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 144244 is about 379.7946813740. The cubic root of 144244 is about 52.4444158500. Note that the first 4 decimals are identical.

Adding to 144244 its reverse (442441), we get a palindrome (586685).

The spelling of 144244 in words is "one hundred forty-four thousand, two hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 36061 72122 144244