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144355344 = 24373113859
BaseRepresentation
bin10001001101010…
…11000000010000
3101001122000022020
420212223000100
5243423332334
622154011440
73402000030
oct1046530020
9331560266
10144355344
1174537341
1240416b80
1323ba3883
14152598c0
15ca16e49
hex89ab010

144355344 has 80 divisors (see below), whose sum is σ = 439971840. Its totient is φ = 39911040.

The previous prime is 144355339. The next prime is 144355363. The reversal of 144355344 is 443553441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (5499648).

Almost surely, 2144355344 is an apocalyptic number.

144355344 is a gapful number since it is divisible by the number (14) 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 144355344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219985920).

144355344 is an abundant number, since it is smaller than the sum of its proper divisors (295616496).

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

144355344 is a wasteful number, since it uses less digits than its factorization.

144355344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908 (or 13902 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 144355344 is about 12014.7968771844. The cubic root of 144355344 is about 524.5790657684.

The spelling of 144355344 in words is "one hundred forty-four million, three hundred fifty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 112 124 168 186 217 248 336 372 434 496 651 744 868 1302 1488 1736 2604 3472 5208 10416 13859 27718 41577 55436 83154 97013 110872 166308 194026 221744 291039 332616 388052 429629 582078 665232 776104 859258 1164156 1288887 1552208 1718516 2328312 2577774 3007403 3437032 4656624 5155548 6014806 6874064 9022209 10311096 12029612 18044418 20622192 24059224 36088836 48118448 72177672 144355344