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144243255 = 35137310133
BaseRepresentation
bin10001001100011…
…11101000110111
3101001102022112210
420212033220313
5243411241010
622151344503
73401022162
oct1046175067
9331368483
10144243255
1174470102
1240382133
1323b64850
141522aad9
15c9e3b20
hex898fa37

144243255 has 32 divisors (see below), whose sum is σ = 251971776. Its totient is φ = 70032384.

The previous prime is 144243247. The next prime is 144243271. The reversal of 144243255 is 552342441.

It is not a de Polignac number, because 144243255 - 23 = 144243247 is a prime.

It is a super-2 number, since 2×1442432552 = 41612233225990050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9169 + ... + 19301.

It is an arithmetic number, because the mean of its divisors is an integer number (7874118).

Almost surely, 2144243255 is an apocalyptic number.

144243255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144243255 is a deficient number, since it is larger than the sum of its proper divisors (107728521).

144243255 is a wasteful number, since it uses less digits than its factorization.

144243255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227.

The product of its digits is 19200, while the sum is 30.

The square root of 144243255 is about 12010.1313481577. The cubic root of 144243255 is about 524.4432556055.

Adding to 144243255 its reverse (552342441), we get a palindrome (696585696).

The spelling of 144243255 in words is "one hundred forty-four million, two hundred forty-three thousand, two hundred fifty-five".

Divisors: 1 3 5 13 15 39 65 73 195 219 365 949 1095 2847 4745 10133 14235 30399 50665 131729 151995 395187 658645 739709 1975935 2219127 3698545 9616217 11095635 28848651 48081085 144243255