Base | Representation |
---|---|
bin | 10001001110110… |
… | …01000101001011 |
3 | 101001222121012021 |
4 | 20213121011023 |
5 | 244000402300 |
6 | 22202025311 |
7 | 3403414204 |
oct | 1047310513 |
9 | 331877167 |
10 | 144544075 |
11 | 74656115 |
12 | 404a8237 |
13 | 23c3b750 |
14 | 152a85ab |
15 | ca52d1a |
hex | 89d914b |
144544075 has 48 divisors (see below), whose sum is σ = 205361856. Its totient is φ = 100108800.
The previous prime is 144544067. The next prime is 144544079. The reversal of 144544075 is 570445441.
It is not a de Polignac number, because 144544075 - 23 = 144544067 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144544075.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144544079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455817 + ... + 456133.
It is an arithmetic number, because the mean of its divisors is an integer number (4278372).
Almost surely, 2144544075 is an apocalyptic number.
144544075 is a deficient number, since it is larger than the sum of its proper divisors (60817781).
144544075 is a wasteful number, since it uses less digits than its factorization.
144544075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424 (or 419 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 34.
The square root of 144544075 is about 12022.6484187137. The cubic root of 144544075 is about 524.8075787650.
The spelling of 144544075 in words is "one hundred forty-four million, five hundred forty-four thousand, seventy-five".
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