Base | Representation |
---|---|
bin | 10001001110101… |
… | …01101011101011 |
3 | 101001221220002201 |
4 | 20213111223223 |
5 | 243444431110 |
6 | 22201441031 |
7 | 3403325500 |
oct | 1047255353 |
9 | 331856081 |
10 | 144530155 |
11 | 74646710 |
12 | 404a0177 |
13 | 23c35303 |
14 | 152a34a7 |
15 | ca4db3a |
hex | 89d5aeb |
144530155 has 24 divisors (see below), whose sum is σ = 220097520. Its totient is φ = 90095040.
The previous prime is 144530119. The next prime is 144530179. The reversal of 144530155 is 551035441.
It is not a de Polignac number, because 144530155 - 27 = 144530027 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24120 + ... + 29509.
It is an arithmetic number, because the mean of its divisors is an integer number (9170730).
Almost surely, 2144530155 is an apocalyptic number.
144530155 is a deficient number, since it is larger than the sum of its proper divisors (75567365).
144530155 is a wasteful number, since it uses less digits than its factorization.
144530155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53659 (or 53652 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 144530155 is about 12022.0694973869. The cubic root of 144530155 is about 524.7907314100.
Adding to 144530155 its reverse (551035441), we get a palindrome (695565596).
The spelling of 144530155 in words is "one hundred forty-four million, five hundred thirty thousand, one hundred fifty-five".
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