Base | Representation |
---|---|
bin | 10001010101011… |
… | …11111011010111 |
3 | 101010122022100022 |
4 | 20222233323113 |
5 | 244212032322 |
6 | 22232535355 |
7 | 3414040634 |
oct | 1052577327 |
9 | 333568308 |
10 | 145424087 |
11 | 750a72a6 |
12 | 4085155b |
13 | 24189173 |
14 | 1545718b |
15 | cb78942 |
hex | 8aafed7 |
145424087 has 2 divisors, whose sum is σ = 145424088. Its totient is φ = 145424086.
The previous prime is 145424039. The next prime is 145424099. The reversal of 145424087 is 780424541.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145424087 - 212 = 145419991 is a prime.
It is a super-2 number, since 2×1454240872 = 42296330159567138, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145424887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72712043 + 72712044.
It is an arithmetic number, because the mean of its divisors is an integer number (72712044).
Almost surely, 2145424087 is an apocalyptic number.
145424087 is a deficient number, since it is larger than the sum of its proper divisors (1).
145424087 is an equidigital number, since it uses as much as digits as its factorization.
145424087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 35840, while the sum is 35.
The square root of 145424087 is about 12059.1909761808. The cubic root of 145424087 is about 525.8704676535.
The spelling of 145424087 in words is "one hundred forty-five million, four hundred twenty-four thousand, eighty-seven".
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