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144255 = 3559163
BaseRepresentation
bin100011001101111111
321022212210
4203031333
514104010
63031503
71140366
oct431577
9238783
10144255
1199421
126b593
1350877
143a7dd
152cb20
hex2337f

144255 has 16 divisors (see below), whose sum is σ = 236160. Its totient is φ = 75168.

The previous prime is 144253. The next prime is 144259. The reversal of 144255 is 552441.

It is not a de Polignac number, because 144255 - 21 = 144253 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144255.

It is not an unprimeable number, because it can be changed into a prime (144253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 966.

It is an arithmetic number, because the mean of its divisors is an integer number (14760).

2144255 is an apocalyptic number.

144255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144255 is a deficient number, since it is larger than the sum of its proper divisors (91905).

144255 is a wasteful number, since it uses less digits than its factorization.

144255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its digits is 800, while the sum is 21.

The square root of 144255 is about 379.8091626067. The cubic root of 144255 is about 52.4457489475.

Adding to 144255 its reverse (552441), we get a palindrome (696696).

The spelling of 144255 in words is "one hundred forty-four thousand, two hundred fifty-five".

Divisors: 1 3 5 15 59 163 177 295 489 815 885 2445 9617 28851 48085 144255