Base | Representation |
---|---|
bin | 10001010111111… |
… | …10110011101111 |
3 | 101011020201112211 |
4 | 20223332303233 |
5 | 244302402213 |
6 | 22243511251 |
7 | 3416554621 |
oct | 1053766357 |
9 | 334221484 |
10 | 145747183 |
11 | 752a801a |
12 | 40988527 |
13 | 2427024a |
14 | 154dcc11 |
15 | cbde53d |
hex | 8afecef |
145747183 has 2 divisors, whose sum is σ = 145747184. Its totient is φ = 145747182.
The previous prime is 145747153. The next prime is 145747223. The reversal of 145747183 is 381747541.
It is a happy number.
It is an a-pointer prime, because the next prime (145747223) can be obtained adding 145747183 to its sum of digits (40).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145747183 - 213 = 145738991 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145747153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72873591 + 72873592.
It is an arithmetic number, because the mean of its divisors is an integer number (72873592).
Almost surely, 2145747183 is an apocalyptic number.
145747183 is a deficient number, since it is larger than the sum of its proper divisors (1).
145747183 is an equidigital number, since it uses as much as digits as its factorization.
145747183 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 94080, while the sum is 40.
The square root of 145747183 is about 12072.5797988665. The cubic root of 145747183 is about 526.2596305337.
The spelling of 145747183 in words is "one hundred forty-five million, seven hundred forty-seven thousand, one hundred eighty-three".
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