Base | Representation |
---|---|
bin | 10001000100000… |
… | …11100010010000 |
3 | 100222100112011112 |
4 | 20202003202100 |
5 | 243121120404 |
6 | 22112032452 |
7 | 3355466444 |
oct | 1042034220 |
9 | 328315145 |
10 | 143145104 |
11 | 73890043 |
12 | 3bb32728 |
13 | 2386ba5b |
14 | 15022824 |
15 | c87856e |
hex | 8883890 |
143145104 has 40 divisors (see below), whose sum is σ = 293314560. Its totient is φ = 67564800.
The previous prime is 143145097. The next prime is 143145109. The reversal of 143145104 is 401541341.
It is a self number, because there is not a number n which added to its sum of digits gives 143145104.
It is not an unprimeable number, because it can be changed into a prime (143145109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16817 + ... + 23855.
It is an arithmetic number, because the mean of its divisors is an integer number (7332864).
Almost surely, 2143145104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143145104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146657280).
143145104 is an abundant number, since it is smaller than the sum of its proper divisors (150169456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143145104 is a wasteful number, since it uses less digits than its factorization.
143145104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7119 (or 7113 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 143145104 is about 11964.3263078203. The cubic root of 143145104 is about 523.1089687847.
Adding to 143145104 its reverse (401541341), we get a palindrome (544686445).
The spelling of 143145104 in words is "one hundred forty-three million, one hundred forty-five thousand, one hundred four".
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