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144717454 = 2741536771
BaseRepresentation
bin10001010000000…
…11011010001110
3101002022102000201
420220003122032
5244021424304
622205444114
73405035530
oct1050033216
9332272021
10144717454
1174764402
124057063a
1323c9c63b
1415311850
15ca893a4
hex8a0368e

144717454 has 64 divisors (see below), whose sum is σ = 266499072. Its totient is φ = 57657600.

The previous prime is 144717439. The next prime is 144717457. The reversal of 144717454 is 454717441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144717457) 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 31 ways as a sum of consecutive naturals, for example, 2038239 + ... + 2038309.

It is an arithmetic number, because the mean of its divisors is an integer number (4164048).

Almost surely, 2144717454 is an apocalyptic number.

144717454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144717454 is a deficient number, since it is larger than the sum of its proper divisors (121781618).

144717454 is a wasteful number, since it uses less digits than its factorization.

144717454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its digits is 62720, while the sum is 37.

The square root of 144717454 is about 12029.8567738772. The cubic root of 144717454 is about 525.0173285286.

The spelling of 144717454 in words is "one hundred forty-four million, seven hundred seventeen thousand, four hundred fifty-four".

Divisors: 1 2 7 14 41 53 67 71 82 106 134 142 287 371 469 497 574 742 938 994 2173 2747 2911 3551 3763 4346 4757 5494 5822 7102 7526 9514 15211 19229 20377 24857 26341 30422 33299 38458 40754 49714 52682 66598 145591 154283 195037 252121 291182 308566 390074 504242 1019137 1079981 1365259 1764847 2038274 2159962 2730518 3529694 10336961 20673922 72358727 144717454