Base | Representation |
---|---|
bin | 10001001100010… |
… | …00010010011001 |
3 | 101001100210020121 |
4 | 20212020102121 |
5 | 243404310040 |
6 | 22150553241 |
7 | 3400535326 |
oct | 1046102231 |
9 | 331323217 |
10 | 144213145 |
11 | 7444a51a |
12 | 40368821 |
13 | 23b53c2b |
14 | 1521db4d |
15 | c9d9c4a |
hex | 8988499 |
144213145 has 8 divisors (see below), whose sum is σ = 175639104. Its totient is φ = 113648304.
The previous prime is 144213137. The next prime is 144213191. The reversal of 144213145 is 541312441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144213145 - 23 = 144213137 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214909 + ... + 215578.
It is an arithmetic number, because the mean of its divisors is an integer number (21954888).
Almost surely, 2144213145 is an apocalyptic number.
It is an amenable number.
144213145 is a deficient number, since it is larger than the sum of its proper divisors (31425959).
144213145 is an equidigital number, since it uses as much as digits as its factorization.
144213145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430559.
The product of its digits is 1920, while the sum is 25.
The square root of 144213145 is about 12008.8777577257. The cubic root of 144213145 is about 524.4067615008.
Adding to 144213145 its reverse (541312441), we get a palindrome (685525586).
The spelling of 144213145 in words is "one hundred forty-four million, two hundred thirteen thousand, one hundred forty-five".
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