Base | Representation |
---|---|
bin | 10001001011101… |
… | …00000001110101 |
3 | 101001012120102021 |
4 | 20211310001311 |
5 | 243344131130 |
6 | 22145113141 |
7 | 3400041364 |
oct | 1045640165 |
9 | 331176367 |
10 | 144130165 |
11 | 743a3143 |
12 | 403287b1 |
13 | 23b2522a |
14 | 151db7db |
15 | c9c037a |
hex | 8974075 |
144130165 has 16 divisors (see below), whose sum is σ = 184481712. Its totient is φ = 107720704.
The previous prime is 144130163. The next prime is 144130183. The reversal of 144130165 is 561031441.
It can be written as a sum of positive squares in 8 ways, for example, as 1423249 + 142706916 = 1193^2 + 11946^2 .
It is not a de Polignac number, because 144130165 - 21 = 144130163 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144130163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5457 + ... + 17833.
It is an arithmetic number, because the mean of its divisors is an integer number (11530107).
Almost surely, 2144130165 is an apocalyptic number.
It is an amenable number.
144130165 is a deficient number, since it is larger than the sum of its proper divisors (40351547).
144130165 is a wasteful number, since it uses less digits than its factorization.
144130165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12536.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 144130165 is about 12005.4223166034. The cubic root of 144130165 is about 524.3061612818.
The spelling of 144130165 in words is "one hundred forty-four million, one hundred thirty thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •