Base | Representation |
---|---|
bin | 10001000101111… |
… | …00111010110001 |
3 | 100222210110120202 |
4 | 20202330322301 |
5 | 243201131040 |
6 | 22121044545 |
7 | 3360465626 |
oct | 1042747261 |
9 | 328713522 |
10 | 143380145 |
11 | 73a30697 |
12 | 40026755 |
13 | 23921a2c |
14 | 1508434d |
15 | c8c3015 |
hex | 88bceb1 |
143380145 has 4 divisors (see below), whose sum is σ = 172056180. Its totient is φ = 114704112.
The previous prime is 143380129. The next prime is 143380199. The reversal of 143380145 is 541083341.
143380145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541083341 = 17783 ⋅30427.
It can be written as a sum of positive squares in 2 ways, for example, as 114661264 + 28718881 = 10708^2 + 5359^2 .
It is a cyclic number.
It is not a de Polignac number, because 143380145 - 24 = 143380129 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14338010 + ... + 14338019.
It is an arithmetic number, because the mean of its divisors is an integer number (43014045).
Almost surely, 2143380145 is an apocalyptic number.
It is an amenable number.
143380145 is a deficient number, since it is larger than the sum of its proper divisors (28676035).
143380145 is an equidigital number, since it uses as much as digits as its factorization.
143380145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28676034.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 143380145 is about 11974.1448546441. The cubic root of 143380145 is about 523.3951232256.
The spelling of 143380145 in words is "one hundred forty-three million, three hundred eighty thousand, one hundred forty-five".
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