Base | Representation |
---|---|
bin | 10001010001010… |
… | …11100111100001 |
3 | 101002121202221101 |
4 | 20220223213201 |
5 | 244042212040 |
6 | 22213154401 |
7 | 3406322632 |
oct | 1050534741 |
9 | 332552841 |
10 | 144882145 |
11 | 74867111 |
12 | 4062ba01 |
13 | 240295a5 |
14 | 15355889 |
15 | cabd09a |
hex | 8a2b9e1 |
144882145 has 4 divisors (see below), whose sum is σ = 173858580. Its totient is φ = 115905712.
The previous prime is 144882139. The next prime is 144882161. The reversal of 144882145 is 541288441.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21316689 + 123565456 = 4617^2 + 11116^2 .
It is a cyclic number.
It is not a de Polignac number, because 144882145 - 25 = 144882113 is a prime.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 14488210 + ... + 14488219.
It is an arithmetic number, because the mean of its divisors is an integer number (43464645).
Almost surely, 2144882145 is an apocalyptic number.
It is an amenable number.
144882145 is a deficient number, since it is larger than the sum of its proper divisors (28976435).
144882145 is an equidigital number, since it uses as much as digits as its factorization.
144882145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28976434.
The product of its digits is 40960, while the sum is 37.
The square root of 144882145 is about 12036.6999214901. The cubic root of 144882145 is about 525.2164126689.
The spelling of 144882145 in words is "one hundred forty-four million, eight hundred eighty-two thousand, one hundred forty-five".
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