Base | Representation |
---|---|
bin | 10001010011101… |
… | …00011100000111 |
3 | 101010011221002201 |
4 | 20221310130013 |
5 | 244131233143 |
6 | 22223415331 |
7 | 3412004353 |
oct | 1051643407 |
9 | 333157081 |
10 | 145180423 |
11 | 74a50223 |
12 | 40754547 |
13 | 2410229b |
14 | 153d2463 |
15 | cb2b64d |
hex | 8a74707 |
145180423 has 2 divisors, whose sum is σ = 145180424. Its totient is φ = 145180422.
The previous prime is 145180421. The next prime is 145180481. The reversal of 145180423 is 324081541.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145180423 - 21 = 145180421 is a prime.
Together with 145180421, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 145180391 and 145180400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145180421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72590211 + 72590212.
It is an arithmetic number, because the mean of its divisors is an integer number (72590212).
Almost surely, 2145180423 is an apocalyptic number.
145180423 is a deficient number, since it is larger than the sum of its proper divisors (1).
145180423 is an equidigital number, since it uses as much as digits as its factorization.
145180423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 145180423 is about 12049.0839070860. The cubic root of 145180423 is about 525.5765976431.
The spelling of 145180423 in words is "one hundred forty-five million, one hundred eighty thousand, four hundred twenty-three".
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