Base | Representation |
---|---|
bin | 10001001110000… |
… | …00110001111110 |
3 | 101001210112122212 |
4 | 20213000301332 |
5 | 243434211132 |
6 | 22155540422 |
7 | 3402521054 |
oct | 1047006176 |
9 | 331715585 |
10 | 144444542 |
11 | 74598360 |
12 | 4045a712 |
13 | 23c05358 |
14 | 152801d4 |
15 | ca335b2 |
hex | 89c0c7e |
144444542 has 8 divisors (see below), whose sum is σ = 236363832. Its totient is φ = 65656600.
The previous prime is 144444541. The next prime is 144444551. The reversal of 144444542 is 245444441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 144444499 and 144444508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144444541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282809 + ... + 3282852.
It is an arithmetic number, because the mean of its divisors is an integer number (29545479).
Almost surely, 2144444542 is an apocalyptic number.
144444542 is a deficient number, since it is larger than the sum of its proper divisors (91919290).
144444542 is a wasteful number, since it uses less digits than its factorization.
144444542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6565674.
The product of its digits is 40960, while the sum is 32.
The square root of 144444542 is about 12018.5083101024. The cubic root of 144444542 is about 524.6870903323.
Adding to 144444542 its reverse (245444441), we get a palindrome (389888983).
The spelling of 144444542 in words is "one hundred forty-four million, four hundred forty-four thousand, five hundred forty-two".
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