Base | Representation |
---|---|
bin | 10001010001111… |
… | …10100111001001 |
3 | 101002202201122212 |
4 | 20220332213021 |
5 | 244102204240 |
6 | 22214554505 |
7 | 3410065514 |
oct | 1050764711 |
9 | 332681585 |
10 | 144959945 |
11 | 7490a609 |
12 | 40668a35 |
13 | 24055b20 |
14 | 15375d7b |
15 | cad6165 |
hex | 8a3e9c9 |
144959945 has 8 divisors (see below), whose sum is σ = 187332936. Its totient is φ = 107047296.
The previous prime is 144959897. The next prime is 144959963. The reversal of 144959945 is 549959441.
144959945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 7038409 + 137921536 = 2653^2 + 11744^2 .
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 144959945 - 210 = 144958921 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144959893 and 144959902.
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, 1115012 + ... + 1115141.
It is an arithmetic number, because the mean of its divisors is an integer number (23416617).
Almost surely, 2144959945 is an apocalyptic number.
It is an amenable number.
144959945 is a deficient number, since it is larger than the sum of its proper divisors (42372991).
144959945 is a wasteful number, since it uses less digits than its factorization.
144959945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230171.
The product of its digits is 1166400, while the sum is 50.
The square root of 144959945 is about 12039.9312705680. The cubic root of 144959945 is about 525.3104075155.
The spelling of 144959945 in words is "one hundred forty-four million, nine hundred fifty-nine thousand, nine hundred forty-five".
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