Base | Representation |
---|---|
bin | 10001010011011… |
… | …10111001101111 |
3 | 101010010202222201 |
4 | 20221232321233 |
5 | 244130021433 |
6 | 22223122331 |
7 | 3411551263 |
oct | 1051567157 |
9 | 333122881 |
10 | 145157743 |
11 | 74a35185 |
12 | 407433a7 |
13 | 240c4b73 |
14 | 153c80a3 |
15 | cb24a7d |
hex | 8a6ee6f |
145157743 has 2 divisors, whose sum is σ = 145157744. Its totient is φ = 145157742.
The previous prime is 145157741. The next prime is 145157773. The reversal of 145157743 is 347751541.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145157743 - 21 = 145157741 is a prime.
Together with 145157741, 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 (145157741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72578871 + 72578872.
It is an arithmetic number, because the mean of its divisors is an integer number (72578872).
Almost surely, 2145157743 is an apocalyptic number.
145157743 is a deficient number, since it is larger than the sum of its proper divisors (1).
145157743 is an equidigital number, since it uses as much as digits as its factorization.
145157743 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 58800, while the sum is 37.
The square root of 145157743 is about 12048.1427199382. The cubic root of 145157743 is about 525.5492277959.
The spelling of 145157743 in words is "one hundred forty-five million, one hundred fifty-seven thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •