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144305514 = 2329078839
BaseRepresentation
bin10001001100111…
…10110101101010
3101001112110221200
420212132311222
5243420234024
622152545030
73401401533
oct1046366552
9331473850
10144305514
1174502961
12403b2176
1323b86ca2
141524568a
15ca072c9
hex899ed6a

144305514 has 24 divisors (see below), whose sum is σ = 313042080. Its totient is φ = 48043368.

The previous prime is 144305507. The next prime is 144305531. The reversal of 144305514 is 415503441.

It is a happy number.

144305514 is a `hidden beast` number, since 144 + 3 + 0 + 5 + 514 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11907 + ... + 20745.

It is an arithmetic number, because the mean of its divisors is an integer number (13043420).

Almost surely, 2144305514 is an apocalyptic number.

144305514 is an abundant number, since it is smaller than the sum of its proper divisors (168736566).

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

144305514 is a wasteful number, since it uses less digits than its factorization.

144305514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754 (or 9751 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 144305514 is about 12012.7230052141. The cubic root of 144305514 is about 524.5186990316.

Adding to 144305514 its reverse (415503441), we get a palindrome (559808955).

The spelling of 144305514 in words is "one hundred forty-four million, three hundred five thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 907 1814 2721 5442 8163 8839 16326 17678 26517 53034 79551 159102 8016973 16033946 24050919 48101838 72152757 144305514