Search a number
-
+
144029844 = 2232731103179
BaseRepresentation
bin10001001010110…
…11100010010100
3101001000110210200
420211123202110
5243332423334
622143020500
73366143040
oct1045334224
9331013720
10144029844
1174334832
124029a730
1323abb67a
14151b3020
15c9a0799
hex895b894

144029844 has 144 divisors (see below), whose sum is σ = 436101120. Its totient is φ = 39216960.

The previous prime is 144029827. The next prime is 144029849. The reversal of 144029844 is 448920441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144029799 and 144029808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144029849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 804547 + ... + 804725.

It is an arithmetic number, because the mean of its divisors is an integer number (3028480).

Almost surely, 2144029844 is an apocalyptic number.

144029844 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 144029844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218050560).

144029844 is an abundant number, since it is smaller than the sum of its proper divisors (292071276).

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

144029844 is a wasteful number, since it uses less digits than its factorization.

144029844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 144029844 is about 12001.2434355778. The cubic root of 144029844 is about 524.1844862508.

The spelling of 144029844 in words is "one hundred forty-four million, twenty-nine thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 103 124 126 179 186 206 217 252 279 309 358 372 412 434 537 558 618 651 716 721 868 927 1074 1116 1236 1253 1302 1442 1611 1854 1953 2148 2163 2506 2604 2884 3193 3222 3708 3759 3906 4326 5012 5549 6386 6444 6489 7518 7812 8652 9579 11098 11277 12772 12978 15036 16647 18437 19158 22196 22351 22554 25956 28737 33294 36874 38316 38843 44702 45108 49941 55311 57474 66588 67053 73748 77686 89404 99882 110622 114948 116529 129059 134106 155372 165933 199764 201159 221244 233058 258118 268212 331866 349587 387177 402318 466116 516236 571547 663732 699174 774354 804636 1143094 1161531 1398348 1548708 1714641 2286188 2323062 3429282 4000829 4646124 5143923 6858564 8001658 10287846 12002487 16003316 20575692 24004974 36007461 48009948 72014922 144029844