Base | Representation |
---|---|
bin | 10001001101001… |
… | …00111011010011 |
3 | 101001120202011021 |
4 | 20212210323103 |
5 | 243422033301 |
6 | 22153300311 |
7 | 3401534326 |
oct | 1046447323 |
9 | 331522137 |
10 | 144330451 |
11 | 7451a671 |
12 | 40404697 |
13 | 23b95445 |
14 | 152507bd |
15 | ca0e8a1 |
hex | 89a4ed3 |
144330451 has 16 divisors (see below), whose sum is σ = 159694848. Its totient is φ = 129967200.
The previous prime is 144330437. The next prime is 144330463. The reversal of 144330451 is 154033441.
144330451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 144330451 - 213 = 144322259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144339451) 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, 23646 + ... + 29116.
It is an arithmetic number, because the mean of its divisors is an integer number (9980928).
Almost surely, 2144330451 is an apocalyptic number.
144330451 is a deficient number, since it is larger than the sum of its proper divisors (15364397).
144330451 is a wasteful number, since it uses less digits than its factorization.
144330451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5562.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 144330451 is about 12013.7609015662. The cubic root of 144330451 is about 524.5489107888.
Adding to 144330451 its reverse (154033441), we get a palindrome (298363892).
The spelling of 144330451 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred fifty-one".
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