Base | Representation |
---|---|
bin | 10001010101111… |
… | …01010110001001 |
3 | 101010202002201221 |
4 | 20222331112021 |
5 | 244220312144 |
6 | 22234042041 |
7 | 3414360112 |
oct | 1052752611 |
9 | 333662657 |
10 | 145479049 |
11 | 75134621 |
12 | 40879321 |
13 | 241a81a1 |
14 | 1546d209 |
15 | cb89d84 |
hex | 8abd589 |
145479049 has 2 divisors, whose sum is σ = 145479050. Its totient is φ = 145479048.
The previous prime is 145479041. The next prime is 145479097. The reversal of 145479049 is 940974541.
145479049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 113635600 + 31843449 = 10660^2 + 5643^2 .
It is a cyclic number.
It is not a de Polignac number, because 145479049 - 23 = 145479041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 145478996 and 145479014.
It is not a weakly prime, because it can be changed into another prime (145479041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72739524 + 72739525.
It is an arithmetic number, because the mean of its divisors is an integer number (72739525).
Almost surely, 2145479049 is an apocalyptic number.
It is an amenable number.
145479049 is a deficient number, since it is larger than the sum of its proper divisors (1).
145479049 is an equidigital number, since it uses as much as digits as its factorization.
145479049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 145479049 is about 12061.4696036594. The cubic root of 145479049 is about 525.9367089775.
The spelling of 145479049 in words is "one hundred forty-five million, four hundred seventy-nine thousand, forty-nine".
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