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144214512 = 24313239967
BaseRepresentation
bin10001001100010…
…00100111110000
3101001100212010020
420212020213300
5243404331022
622151003440
73400542321
oct1046104760
9331325106
10144214512
1174450552
1240369580
1323b54740
1415220448
15c9da35c
hex89889f0

144214512 has 80 divisors (see below), whose sum is σ = 403307520. Its totient is φ = 44142336.

The previous prime is 144214501. The next prime is 144214517. The reversal of 144214512 is 215412441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144214517) 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 15 ways as a sum of consecutive naturals, for example, 148653 + ... + 149619.

It is an arithmetic number, because the mean of its divisors is an integer number (5041344).

Almost surely, 2144214512 is an apocalyptic number.

144214512 is a gapful number since it is divisible by the number (12) 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 144214512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201653760).

144214512 is an abundant number, since it is smaller than the sum of its proper divisors (259093008).

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

144214512 is a wasteful number, since it uses less digits than its factorization.

144214512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1224 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 144214512 is about 12008.9346738168. The cubic root of 144214512 is about 524.4084184505.

Adding to 144214512 its reverse (215412441), we get a palindrome (359626953).

The spelling of 144214512 in words is "one hundred forty-four million, two hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 239 312 478 624 717 956 967 1434 1912 1934 2868 2901 3107 3824 3868 5736 5802 6214 7736 9321 11472 11604 12428 12571 15472 18642 23208 24856 25142 37284 37713 46416 49712 50284 74568 75426 100568 149136 150852 201136 231113 301704 462226 603408 693339 924452 1386678 1848904 2773356 3004469 3697808 5546712 6008938 9013407 11093424 12017876 18026814 24035752 36053628 48071504 72107256 144214512