Base | Representation |
---|---|
bin | 10001001110010… |
… | …11000010010001 |
3 | 101001212200021112 |
4 | 20213023002101 |
5 | 243442032140 |
6 | 22200503105 |
7 | 3403054400 |
oct | 1047130221 |
9 | 331780245 |
10 | 144486545 |
11 | 74616975 |
12 | 4047aa95 |
13 | 23c1b4c8 |
14 | 15291637 |
15 | ca40c65 |
hex | 89cb091 |
144486545 has 24 divisors (see below), whose sum is σ = 212313600. Its totient is φ = 93858912.
The previous prime is 144486541. The next prime is 144486571. The reversal of 144486545 is 545684441.
It is not a de Polignac number, because 144486545 - 22 = 144486541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144486541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10865 + ... + 20174.
It is an arithmetic number, because the mean of its divisors is an integer number (8846400).
Almost surely, 2144486545 is an apocalyptic number.
It is an amenable number.
144486545 is a deficient number, since it is larger than the sum of its proper divisors (67827055).
144486545 is a wasteful number, since it uses less digits than its factorization.
144486545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31077 (or 31070 counting only the distinct ones).
The product of its digits is 307200, while the sum is 41.
The square root of 144486545 is about 12020.2556129227. The cubic root of 144486545 is about 524.7379432888.
The spelling of 144486545 in words is "one hundred forty-four million, four hundred eighty-six thousand, five hundred forty-five".
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