Base | Representation |
---|---|
bin | 10001010100010… |
… | …00001001111111 |
3 | 101010100000212211 |
4 | 20222020021333 |
5 | 244141324213 |
6 | 22225241251 |
7 | 3412461664 |
oct | 1052101177 |
9 | 333300784 |
10 | 145261183 |
11 | 74aa5971 |
12 | 40793227 |
13 | 2412cc82 |
14 | 15413a6b |
15 | cb4553d |
hex | 8a8827f |
145261183 has 2 divisors, whose sum is σ = 145261184. Its totient is φ = 145261182.
The previous prime is 145261147. The next prime is 145261189. The reversal of 145261183 is 381162541.
It is a strong prime.
It is an emirp because it is prime and its reverse (381162541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145261183 - 29 = 145260671 is a prime.
It is a super-2 number, since 2×1452611832 = 42201622573118978, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145261189) 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, 72630591 + 72630592.
It is an arithmetic number, because the mean of its divisors is an integer number (72630592).
Almost surely, 2145261183 is an apocalyptic number.
145261183 is a deficient number, since it is larger than the sum of its proper divisors (1).
145261183 is an equidigital number, since it uses as much as digits as its factorization.
145261183 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5760, while the sum is 31.
The square root of 145261183 is about 12052.4347332811. The cubic root of 145261183 is about 525.6740343295.
The spelling of 145261183 in words is "one hundred forty-five million, two hundred sixty-one thousand, one hundred eighty-three".
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