Base | Representation |
---|---|
bin | 10001010011000… |
… | …10111000100111 |
3 | 101010001021110121 |
4 | 20221202320213 |
5 | 244121433034 |
6 | 22222102411 |
7 | 3411254623 |
oct | 1051427047 |
9 | 333037417 |
10 | 145108519 |
11 | 74a011a6 |
12 | 4071aa07 |
13 | 240a863a |
14 | 153b4183 |
15 | cb151b4 |
hex | 8a62e27 |
145108519 has 2 divisors, whose sum is σ = 145108520. Its totient is φ = 145108518.
The previous prime is 145108517. The next prime is 145108559. The reversal of 145108519 is 915801541.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145108519 - 21 = 145108517 is a prime.
It is a super-2 number, since 2×1451085192 = 42112964572746722, which contains 22 as substring.
Together with 145108517, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145108517) 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, 72554259 + 72554260.
It is an arithmetic number, because the mean of its divisors is an integer number (72554260).
Almost surely, 2145108519 is an apocalyptic number.
145108519 is a deficient number, since it is larger than the sum of its proper divisors (1).
145108519 is an equidigital number, since it uses as much as digits as its factorization.
145108519 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7200, while the sum is 34.
The square root of 145108519 is about 12046.0997422402. The cubic root of 145108519 is about 525.4898152805.
The spelling of 145108519 in words is "one hundred forty-five million, one hundred eight thousand, five hundred nineteen".
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