Base | Representation |
---|---|
bin | 10001010010100… |
… | …10011110011111 |
3 | 101002220212021102 |
4 | 20221102132133 |
5 | 244112310221 |
6 | 22220423315 |
7 | 3410554652 |
oct | 1051223637 |
9 | 332825242 |
10 | 145041311 |
11 | 74965758 |
12 | 406a7b3b |
13 | 24083b7c |
14 | 15397899 |
15 | cb0030b |
hex | 8a5279f |
145041311 has 2 divisors, whose sum is σ = 145041312. Its totient is φ = 145041310.
The previous prime is 145041257. The next prime is 145041329. The reversal of 145041311 is 113140541.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145041311 - 226 = 77932447 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145041371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520655 + 72520656.
It is an arithmetic number, because the mean of its divisors is an integer number (72520656).
Almost surely, 2145041311 is an apocalyptic number.
145041311 is a deficient number, since it is larger than the sum of its proper divisors (1).
145041311 is an equidigital number, since it uses as much as digits as its factorization.
145041311 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 145041311 is about 12043.3098025418. The cubic root of 145041311 is about 525.4086746886.
Adding to 145041311 its reverse (113140541), we get a palindrome (258181852).
The spelling of 145041311 in words is "one hundred forty-five million, forty-one thousand, three hundred eleven".
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