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144105134254240 = 25535321431190591
BaseRepresentation
bin100000110001000000010111…
…010101100110100010100000
3200220020022112120120201112111
4200301000113111212202200
5122342004303332113430
61230252552413005104
742232152364515025
oct4061002725464240
9626208476521474
10144105134254240
1141a0970a523135
12141b4659a83794
136254095922413
142782a234d954c
15119d78a306c2a
hex8310175668a0

144105134254240 has 96 divisors (see below), whose sum is σ = 341572424933376. Its totient is φ = 57451891875840.

The previous prime is 144105134254223. The next prime is 144105134254253. The reversal of 144105134254240 is 42452431501441.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 144105134254193 and 144105134254202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120441345 + ... + 121631935.

It is an arithmetic number, because the mean of its divisors is an integer number (3558046093056).

Almost surely, 2144105134254240 is an apocalyptic number.

144105134254240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144105134254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170786212466688).

144105134254240 is an abundant number, since it is smaller than the sum of its proper divisors (197467290679136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144105134254240 is a wasteful number, since it uses less digits than its factorization.

144105134254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193102 (or 1193094 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 144105134254240 its reverse (42452431501441), we get a palindrome (186557565755681).

The spelling of 144105134254240 in words is "one hundred forty-four trillion, one hundred five billion, one hundred thirty-four million, two hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 353 706 1412 1765 2143 2824 3530 4286 5648 7060 8572 10715 11296 14120 17144 21430 28240 34288 42860 56480 68576 85720 171440 342880 756479 1190591 1512958 2381182 3025916 3782395 4762364 5952955 6051832 7564790 9524728 11905910 12103664 15129580 19049456 23811820 24207328 30259160 38098912 47623640 60518320 95247280 121036640 190494560 420278623 840557246 1681114492 2101393115 2551436513 3362228984 4202786230 5102873026 6724457968 8405572460 10205746052 12757182565 13448915936 16811144920 20411492104 25514365130 33622289840 40822984208 51028730260 67244579680 81645968416 102057460520 204114921040 408229842080 900657089089 1801314178178 3602628356356 4503285445445 7205256712712 9006570890890 14410513425424 18013141781780 28821026850848 36026283563560 72052567127120 144105134254240