Base | Representation |
---|---|
bin | 10001011000011… |
… | …10001101111001 |
3 | 101011100221010101 |
4 | 20230032031321 |
5 | 244311412142 |
6 | 22245115401 |
7 | 3420236623 |
oct | 1054161571 |
9 | 334327111 |
10 | 145810297 |
11 | 75340486 |
12 | 409b8b61 |
13 | 24292ba9 |
14 | 15517c13 |
15 | cc030b7 |
hex | 8b0e379 |
145810297 has 2 divisors, whose sum is σ = 145810298. Its totient is φ = 145810296.
The previous prime is 145810283. The next prime is 145810319. The reversal of 145810297 is 792018541.
145810297 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., 145226601 + 583696 = 12051^2 + 764^2 .
It is a cyclic number.
It is not a de Polignac number, because 145810297 - 211 = 145808249 is a prime.
It is a super-2 number, since 2×1458102972 = 42521285422456418, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (145810597) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72905148 + 72905149.
It is an arithmetic number, because the mean of its divisors is an integer number (72905149).
Almost surely, 2145810297 is an apocalyptic number.
It is an amenable number.
145810297 is a deficient number, since it is larger than the sum of its proper divisors (1).
145810297 is an equidigital number, since it uses as much as digits as its factorization.
145810297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 145810297 is about 12075.1934560072. The cubic root of 145810297 is about 526.3355829614.
The spelling of 145810297 in words is "one hundred forty-five million, eight hundred ten thousand, two hundred ninety-seven".
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