Base | Representation |
---|---|
bin | 10001010101001… |
… | …00100101001011 |
3 | 101010112221120222 |
4 | 20222210211023 |
5 | 244204040421 |
6 | 22231540255 |
7 | 3413455301 |
oct | 1052444513 |
9 | 333487528 |
10 | 145377611 |
11 | 75075395 |
12 | 4082a68b |
13 | 24170c72 |
14 | 15444271 |
15 | cb69cab |
hex | 8aa494b |
145377611 has 2 divisors, whose sum is σ = 145377612. Its totient is φ = 145377610.
The previous prime is 145377559. The next prime is 145377613. The reversal of 145377611 is 116773541.
It is a strong prime.
It is an emirp because it is prime and its reverse (116773541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145377611 - 210 = 145376587 is a prime.
It is a super-2 number, since 2×1453776112 = 42269299560134642, which contains 22 as substring.
Together with 145377613, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (145377613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72688805 + 72688806.
It is an arithmetic number, because the mean of its divisors is an integer number (72688806).
Almost surely, 2145377611 is an apocalyptic number.
145377611 is a deficient number, since it is larger than the sum of its proper divisors (1).
145377611 is an equidigital number, since it uses as much as digits as its factorization.
145377611 is an evil number, because the sum of its binary digits is even.
The product of its digits is 17640, while the sum is 35.
The square root of 145377611 is about 12057.2638272537. The cubic root of 145377611 is about 525.8144408048.
The spelling of 145377611 in words is "one hundred forty-five million, three hundred seventy-seven thousand, six hundred eleven".
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