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144385529 = 437147293
BaseRepresentation
bin10001001101100…
…10010111111001
3101001200112201012
420212302113321
5243430314104
622154403305
73402154031
oct1046622771
9331615635
10144385529
1174557a92
1240430535
1323bb4532
14152668c1
15ca20d6e
hex89b25f9

144385529 has 8 divisors (see below), whose sum is σ = 149827392. Its totient is φ = 139038480.

The previous prime is 144385523. The next prime is 144385583. The reversal of 144385529 is 925583441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144385529 - 216 = 144319993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144385523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20594 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (18728424).

Almost surely, 2144385529 is an apocalyptic number.

It is an amenable number.

144385529 is a deficient number, since it is larger than the sum of its proper divisors (5441863).

144385529 is an equidigital number, since it uses as much as digits as its factorization.

144385529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47407.

The product of its digits is 172800, while the sum is 41.

The square root of 144385529 is about 12016.0529709219. The cubic root of 144385529 is about 524.6156267415.

The spelling of 144385529 in words is "one hundred forty-four million, three hundred eighty-five thousand, five hundred twenty-nine".

Divisors: 1 43 71 3053 47293 2033599 3357803 144385529