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144663753 = 3133709327
BaseRepresentation
bin10001001111101…
…10010011001001
3101002012200100210
420213312103021
5244013220003
622204351333
73404423133
oct1047662311
9332180323
10144663753
1174728023
1240545549
1323c81070
14152da053
15ca78503
hex89f64c9

144663753 has 8 divisors (see below), whose sum is σ = 207722368. Its totient is φ = 89023824.

The previous prime is 144663719. The next prime is 144663797. The reversal of 144663753 is 357366441.

144663753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144663753 - 26 = 144663689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3709327 = 144663753 / (1 + 4 + 4 + 6 + 6 + 3 + 7 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144663713) 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, 1854625 + ... + 1854702.

It is an arithmetic number, because the mean of its divisors is an integer number (25965296).

Almost surely, 2144663753 is an apocalyptic number.

144663753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144663753 is a deficient number, since it is larger than the sum of its proper divisors (63058615).

144663753 is a wasteful number, since it uses less digits than its factorization.

144663753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709343.

The product of its digits is 181440, while the sum is 39.

The square root of 144663753 is about 12027.6245784444. The cubic root of 144663753 is about 524.9523802613.

The spelling of 144663753 in words is "one hundred forty-four million, six hundred sixty-three thousand, seven hundred fifty-three".

Divisors: 1 3 13 39 3709327 11127981 48221251 144663753