Base | Representation |
---|---|
bin | 10001001110101… |
… | …01101011001101 |
3 | 101001221220001121 |
4 | 20213111223031 |
5 | 243444431000 |
6 | 22201440541 |
7 | 3403325425 |
oct | 1047255315 |
9 | 331856047 |
10 | 144530125 |
11 | 74646693 |
12 | 404a0151 |
13 | 23c352ac |
14 | 152a3485 |
15 | ca4db1a |
hex | 89d5acd |
144530125 has 16 divisors (see below), whose sum is σ = 184779504. Its totient is φ = 112800000.
The previous prime is 144530119. The next prime is 144530179. The reversal of 144530125 is 521035441.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 74874409 + 69655716 = 8653^2 + 8346^2 .
It is not a de Polignac number, because 144530125 - 29 = 144529613 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144530125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976 + ... + 19225.
It is an arithmetic number, because the mean of its divisors is an integer number (11548719).
Almost surely, 2144530125 is an apocalyptic number.
It is an amenable number.
144530125 is a deficient number, since it is larger than the sum of its proper divisors (40249379).
144530125 is an equidigital number, since it uses as much as digits as its factorization.
144530125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28257 (or 28247 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 144530125 is about 12022.0682496815. The cubic root of 144530125 is about 524.7906950999.
Adding to 144530125 its reverse (521035441), we get a palindrome (665565566).
The spelling of 144530125 in words is "one hundred forty-four million, five hundred thirty thousand, one hundred twenty-five".
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