Base | Representation |
---|---|
bin | 10001001100011… |
… | …00101011110010 |
3 | 101001101200221121 |
4 | 20212030223302 |
5 | 243410344104 |
6 | 22151212454 |
7 | 3400641664 |
oct | 1046145362 |
9 | 331350847 |
10 | 144231154 |
11 | 74462001 |
12 | 4037712a |
13 | 23b5c1a2 |
14 | 15226534 |
15 | c9e0254 |
hex | 898caf2 |
144231154 has 8 divisors (see below), whose sum is σ = 216699228. Its totient is φ = 71998080.
The previous prime is 144231151. The next prime is 144231163. The reversal of 144231154 is 451132441.
It can be written as a sum of positive squares in 2 ways, for example, as 98465929 + 45765225 = 9923^2 + 6765^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (144231151) 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 3 ways as a sum of consecutive naturals, for example, 57207 + ... + 59674.
Almost surely, 2144231154 is an apocalyptic number.
144231154 is a deficient number, since it is larger than the sum of its proper divisors (72468074).
144231154 is a wasteful number, since it uses less digits than its factorization.
144231154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117500.
The product of its digits is 1920, while the sum is 25.
The square root of 144231154 is about 12009.6275545914. The cubic root of 144231154 is about 524.4285894886.
Adding to 144231154 its reverse (451132441), we get a palindrome (595363595).
The spelling of 144231154 in words is "one hundred forty-four million, two hundred thirty-one thousand, one hundred fifty-four".
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