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144727344 = 243331101107
BaseRepresentation
bin10001010000001…
…01110100110000
3101002022220121000
420220011310300
5244022233334
622210002000
73405106416
oct1050056460
9332286530
10144727344
1174770883
1240576300
1323ca3ca8
14153152b6
15ca8c299
hex8a05d30

144727344 has 160 divisors (see below), whose sum is σ = 437114880. Its totient is φ = 45792000.

The previous prime is 144727337. The next prime is 144727361. The reversal of 144727344 is 443727441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (75264) is a multiple of the sum of its prime factors (256).

It is a junction number, because it is equal to n+sod(n) for n = 144727299 and 144727308.

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, 1352539 + ... + 1352645.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2144727344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144727344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218557440).

144727344 is an abundant number, since it is smaller than the sum of its proper divisors (292387536).

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

144727344 is a wasteful number, since it uses less digits than its factorization.

144727344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 244 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 144727344 is about 12030.2678274426. The cubic root of 144727344 is about 525.0292881620.

144727344 divided by its sum of digits (36) gives a palindrome (4020204).

The spelling of 144727344 in words is "one hundred forty-four million, seven hundred twenty-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 93 101 107 108 124 144 186 202 214 216 248 279 303 321 372 404 428 432 496 558 606 642 744 808 837 856 909 963 1116 1212 1284 1488 1616 1674 1712 1818 1926 2232 2424 2568 2727 2889 3131 3317 3348 3636 3852 4464 4848 5136 5454 5778 6262 6634 6696 7272 7704 9393 9951 10807 10908 11556 12524 13268 13392 14544 15408 18786 19902 21614 21816 23112 25048 26536 28179 29853 32421 37572 39804 43228 43632 46224 50096 53072 56358 59706 64842 75144 79608 84537 86456 89559 97263 112716 119412 129684 150288 159216 169074 172912 179118 194526 225432 238824 259368 291789 335017 338148 358236 389052 450864 477648 518736 583578 670034 676296 716472 778104 1005051 1167156 1340068 1352592 1432944 1556208 2010102 2334312 2680136 3015153 4020204 4668624 5360272 6030306 8040408 9045459 12060612 16080816 18090918 24121224 36181836 48242448 72363672 144727344