Base | Representation |
---|---|
bin | 10001001110011… |
… | …10011110010001 |
3 | 101001220101121000 |
4 | 20213032132101 |
5 | 243443010000 |
6 | 22201052213 |
7 | 3403143423 |
oct | 1047163621 |
9 | 331811530 |
10 | 144500625 |
11 | 74626505 |
12 | 40487069 |
13 | 23c24a39 |
14 | 15296813 |
15 | ca45000 |
hex | 89ce791 |
144500625 has 40 divisors (see below), whose sum is σ = 267539360. Its totient is φ = 77058000.
The previous prime is 144500621. The next prime is 144500639. The reversal of 144500625 is 526005441.
144500625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144500625 - 22 = 144500621 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (144500621) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12594 + ... + 21156.
It is an arithmetic number, because the mean of its divisors is an integer number (6688484).
Almost surely, 2144500625 is an apocalyptic number.
144500625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144500625 is a deficient number, since it is larger than the sum of its proper divisors (123038735).
144500625 is an frugal number, since it uses more digits than its factorization.
144500625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8592 (or 8571 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 144500625 is about 12020.8412767160. The cubic root of 144500625 is about 524.7549877138.
The spelling of 144500625 in words is "one hundred forty-four million, five hundred thousand, six hundred twenty-five".
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