Base | Representation |
---|---|
bin | 10001001011101… |
… | …00000001101011 |
3 | 101001012120101220 |
4 | 20211310001223 |
5 | 243344131110 |
6 | 22145113123 |
7 | 3400041351 |
oct | 1045640153 |
9 | 331176356 |
10 | 144130155 |
11 | 743a3134 |
12 | 403287a3 |
13 | 23b25220 |
14 | 151db7d1 |
15 | c9c0370 |
hex | 897406b |
144130155 has 32 divisors (see below), whose sum is σ = 250662720. Its totient is φ = 70295040.
The previous prime is 144130139. The next prime is 144130157. The reversal of 144130155 is 551031441.
It is a happy number.
It is not a de Polignac number, because 144130155 - 24 = 144130139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144130157) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17865 + ... + 24645.
It is an arithmetic number, because the mean of its divisors is an integer number (7833210).
Almost surely, 2144130155 is an apocalyptic number.
144130155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144130155 is a deficient number, since it is larger than the sum of its proper divisors (106532565).
144130155 is a wasteful number, since it uses less digits than its factorization.
144130155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6911.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 144130155 is about 12005.4219001250. The cubic root of 144130155 is about 524.3061491560.
Adding to 144130155 its reverse (551031441), we get a palindrome (695161596).
The spelling of 144130155 in words is "one hundred forty-four million, one hundred thirty thousand, one hundred fifty-five".
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