Base | Representation |
---|---|
bin | 10001001011101… |
… | …00001110111001 |
3 | 101001012121120020 |
4 | 20211310032321 |
5 | 243344143001 |
6 | 22145121053 |
7 | 3400044000 |
oct | 1045641671 |
9 | 331177506 |
10 | 144131001 |
11 | 743a3833 |
12 | 40329189 |
13 | 23b25721 |
14 | 151dbc37 |
15 | c9c0736 |
hex | 89743b9 |
144131001 has 16 divisors (see below), whose sum is σ = 224112000. Its totient is φ = 82359984.
The previous prime is 144130993. The next prime is 144131023. The reversal of 144131001 is 100131441.
144131001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144131001 - 23 = 144130993 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144131081) 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, 69006 + ... + 71063.
It is an arithmetic number, because the mean of its divisors is an integer number (14007000).
Almost surely, 2144131001 is an apocalyptic number.
It is an amenable number.
144131001 is a deficient number, since it is larger than the sum of its proper divisors (79980999).
144131001 is an equidigital number, since it uses as much as digits as its factorization.
144131001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140093 (or 140079 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 144131001 is about 12005.4571341536. The cubic root of 144131001 is about 524.3071749930.
Adding to 144131001 its reverse (100131441), we get a palindrome (244262442).
The spelling of 144131001 in words is "one hundred forty-four million, one hundred thirty-one thousand, one".
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