Base | Representation |
---|---|
bin | 10001010011010… |
… | …11011110111111 |
3 | 101010010001210012 |
4 | 20221223132333 |
5 | 244124044433 |
6 | 22222533435 |
7 | 3411462413 |
oct | 1051533677 |
9 | 333101705 |
10 | 145143743 |
11 | 74a25708 |
12 | 4073727b |
13 | 240bb694 |
14 | 153c2d43 |
15 | cb20848 |
hex | 8a6b7bf |
145143743 has 2 divisors, whose sum is σ = 145143744. Its totient is φ = 145143742.
The previous prime is 145143737. The next prime is 145143749. The reversal of 145143743 is 347341541.
It is a balanced prime because it is at equal distance from previous prime (145143737) and next prime (145143749).
It is an emirp because it is prime and its reverse (347341541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145143743 - 24 = 145143727 is a prime.
It is a super-2 number, since 2×1451437432 = 42133412264100098, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145143749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72571871 + 72571872.
It is an arithmetic number, because the mean of its divisors is an integer number (72571872).
Almost surely, 2145143743 is an apocalyptic number.
145143743 is a deficient number, since it is larger than the sum of its proper divisors (1).
145143743 is an equidigital number, since it uses as much as digits as its factorization.
145143743 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20160, while the sum is 32.
The square root of 145143743 is about 12047.5617035149. The cubic root of 145143743 is about 525.5323314054.
The spelling of 145143743 in words is "one hundred forty-five million, one hundred forty-three thousand, seven hundred forty-three".
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