Base | Representation |
---|---|
bin | 10001001110110… |
… | …01010100100001 |
3 | 101001222122112122 |
4 | 20213121110201 |
5 | 244000420212 |
6 | 22202034025 |
7 | 3403420106 |
oct | 1047312441 |
9 | 331878478 |
10 | 144545057 |
11 | 74656928 |
12 | 404a8915 |
13 | 23c3c027 |
14 | 152a8aad |
15 | ca53272 |
hex | 89d9521 |
144545057 has 2 divisors, whose sum is σ = 144545058. Its totient is φ = 144545056.
The previous prime is 144545053. The next prime is 144545113. The reversal of 144545057 is 750545441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 144384256 + 160801 = 12016^2 + 401^2 .
It is a cyclic number.
It is not a de Polignac number, because 144545057 - 22 = 144545053 is a prime.
It is a Chen prime.
It is equal to p8154494 and since 144545057 and 8154494 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (144545053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272528 + 72272529.
It is an arithmetic number, because the mean of its divisors is an integer number (72272529).
Almost surely, 2144545057 is an apocalyptic number.
It is an amenable number.
144545057 is a deficient number, since it is larger than the sum of its proper divisors (1).
144545057 is an equidigital number, since it uses as much as digits as its factorization.
144545057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56000, while the sum is 35.
The square root of 144545057 is about 12022.6892582317. The cubic root of 144545057 is about 524.8087672372.
The spelling of 144545057 in words is "one hundred forty-four million, five hundred forty-five thousand, fifty-seven".
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