Base | Representation |
---|---|
bin | 10001010011011… |
… | …00101001111001 |
3 | 101010010022100202 |
4 | 20221230221321 |
5 | 244124223122 |
6 | 22223011545 |
7 | 3411512402 |
oct | 1051545171 |
9 | 333108322 |
10 | 145148537 |
11 | 74a29276 |
12 | 40739bb5 |
13 | 240c0911 |
14 | 153c49a9 |
15 | cb21e92 |
hex | 8a6ca79 |
145148537 has 2 divisors, whose sum is σ = 145148538. Its totient is φ = 145148536.
The previous prime is 145148513. The next prime is 145148539. The reversal of 145148537 is 735841541.
145148537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 145057936 + 90601 = 12044^2 + 301^2 .
It is a cyclic number.
It is not a de Polignac number, because 145148537 - 28 = 145148281 is a prime.
Together with 145148539, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 145148537.
It is not a weakly prime, because it can be changed into another prime (145148539) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72574268 + 72574269.
It is an arithmetic number, because the mean of its divisors is an integer number (72574269).
Almost surely, 2145148537 is an apocalyptic number.
It is an amenable number.
145148537 is a deficient number, since it is larger than the sum of its proper divisors (1).
145148537 is an equidigital number, since it uses as much as digits as its factorization.
145148537 is an evil number, because the sum of its binary digits is even.
The product of its digits is 67200, while the sum is 38.
The square root of 145148537 is about 12047.7606632934. The cubic root of 145148537 is about 525.5381173346.
The spelling of 145148537 in words is "one hundred forty-five million, one hundred forty-eight thousand, five hundred thirty-seven".
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