Base | Representation |
---|---|
bin | 10001010011100… |
… | …00111111100001 |
3 | 101010011012201211 |
4 | 20221300333201 |
5 | 244130310210 |
6 | 22223230121 |
7 | 3411615244 |
oct | 1051607741 |
9 | 333135654 |
10 | 145166305 |
11 | 74a40659 |
12 | 40748341 |
13 | 240c8a2b |
14 | 153cb25b |
15 | cb2738a |
hex | 8a70fe1 |
145166305 has 8 divisors (see below), whose sum is σ = 174279744. Its totient is φ = 116079600.
The previous prime is 145166293. The next prime is 145166341. The reversal of 145166305 is 503661541.
145166305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145166305 - 221 = 143069153 is a prime.
It is a super-2 number, since 2×1451663052 = 42146512214706050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8340 + ... + 18970.
It is an arithmetic number, because the mean of its divisors is an integer number (21784968).
Almost surely, 2145166305 is an apocalyptic number.
It is an amenable number.
145166305 is a deficient number, since it is larger than the sum of its proper divisors (29113439).
145166305 is a wasteful number, since it uses less digits than its factorization.
145166305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13367.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 145166305 is about 12048.4980391748. The cubic root of 145166305 is about 525.5595606102.
The spelling of 145166305 in words is "one hundred forty-five million, one hundred sixty-six thousand, three hundred five".
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