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144343044 = 22324009529
BaseRepresentation
bin10001001101010…
…00000000000100
3101001121101102200
420212220000010
5243422434134
622153434500
73401616126
oct1046500004
9331541380
10144343044
117452907a
124040ba30
1323b9b0b1
1415255216
15ca13499
hex89a8004

144343044 has 18 divisors (see below), whose sum is σ = 364867230. Its totient is φ = 48114336.

The previous prime is 144343027. The next prime is 144343049. The reversal of 144343044 is 440343441.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 60840000 = 9138^2 + 7800^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 144342999 and 144343017.

It is not an unprimeable number, because it can be changed into a prime (144343049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004729 + ... + 2004800.

Almost surely, 2144343044 is an apocalyptic number.

It is an amenable number.

144343044 is an abundant number, since it is smaller than the sum of its proper divisors (220524186).

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

144343044 is a wasteful number, since it uses less digits than its factorization.

144343044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009539 (or 4009534 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 144343044 is about 12014.2849974520. The cubic root of 144343044 is about 524.5641661796.

Adding to 144343044 its reverse (440343441), we get a palindrome (584686485).

The spelling of 144343044 in words is "one hundred forty-four million, three hundred forty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 4009529 8019058 12028587 16038116 24057174 36085761 48114348 72171522 144343044