Base | Representation |
---|---|
bin | 10001010011010… |
… | …01100110011101 |
3 | 101010002200012111 |
4 | 20221221212131 |
5 | 244123323104 |
6 | 22222434021 |
7 | 3411431053 |
oct | 1051514635 |
9 | 333080174 |
10 | 145136029 |
11 | 74a1a935 |
12 | 40732911 |
13 | 240b800c |
14 | 153c01d3 |
15 | cb1d404 |
hex | 8a6999d |
145136029 has 2 divisors, whose sum is σ = 145136030. Its totient is φ = 145136028.
The previous prime is 145136011. The next prime is 145136053. The reversal of 145136029 is 920631541.
145136029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 143760100 + 1375929 = 11990^2 + 1173^2 .
It is a cyclic number.
It is not a de Polignac number, because 145136029 - 25 = 145135997 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145136729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72568014 + 72568015.
It is an arithmetic number, because the mean of its divisors is an integer number (72568015).
Almost surely, 2145136029 is an apocalyptic number.
It is an amenable number.
145136029 is a deficient number, since it is larger than the sum of its proper divisors (1).
145136029 is an equidigital number, since it uses as much as digits as its factorization.
145136029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 145136029 is about 12047.2415514922. The cubic root of 145136029 is about 525.5230210299.
The spelling of 145136029 in words is "one hundred forty-five million, one hundred thirty-six thousand, twenty-nine".
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