Base | Representation |
---|---|
bin | 10001001110011… |
… | …10100110010110 |
3 | 101001220102022011 |
4 | 20213032212112 |
5 | 243443014032 |
6 | 22201054434 |
7 | 3403145062 |
oct | 1047164626 |
9 | 331812264 |
10 | 144501142 |
11 | 74626935 |
12 | 4048741a |
13 | 23c25046 |
14 | 15296aa2 |
15 | ca45247 |
hex | 89ce996 |
144501142 has 16 divisors (see below), whose sum is σ = 225102240. Its totient is φ = 69486592.
The previous prime is 144501127. The next prime is 144501143. The reversal of 144501142 is 241105441.
144501142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144501143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10518 + ... + 19990.
It is an arithmetic number, because the mean of its divisors is an integer number (14068890).
Almost surely, 2144501142 is an apocalyptic number.
144501142 is a deficient number, since it is larger than the sum of its proper divisors (80601098).
144501142 is a wasteful number, since it uses less digits than its factorization.
144501142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9767.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 144501142 is about 12020.8627810153. The cubic root of 144501142 is about 524.7556135427.
Adding to 144501142 its reverse (241105441), we get a palindrome (385606583).
The spelling of 144501142 in words is "one hundred forty-four million, five hundred one thousand, one hundred forty-two".
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