Base | Representation |
---|---|
bin | 10001010011010… |
… | …01011000011111 |
3 | 101010002121222101 |
4 | 20221221120133 |
5 | 244123311020 |
6 | 22222425531 |
7 | 3411425335 |
oct | 1051513037 |
9 | 333077871 |
10 | 145135135 |
11 | 74a1a1a2 |
12 | 407322a7 |
13 | 240b77a2 |
14 | 153bdb55 |
15 | cb1d00a |
hex | 8a6961f |
145135135 has 16 divisors (see below), whose sum is σ = 176568480. Its totient is φ = 114514560.
The previous prime is 145135099. The next prime is 145135139. The reversal of 145135135 is 531531541.
145135135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 145135135 - 27 = 145135007 is a prime.
It is a super-2 number, since 2×1451351352 = 42128414822936450, which contains 22 as substring.
145135135 is a modest number, since divided by 135135 gives 145 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145135139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153765 + ... + 154705.
It is an arithmetic number, because the mean of its divisors is an integer number (11035530).
Almost surely, 2145135135 is an apocalyptic number.
145135135 is a deficient number, since it is larger than the sum of its proper divisors (31433345).
145135135 is a wasteful number, since it uses less digits than its factorization.
145135135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338.
The product of its digits is 4500, while the sum is 28.
The square root of 145135135 is about 12047.2044475057. The cubic root of 145135135 is about 525.5219419995.
Adding to 145135135 its reverse (531531541), we get a palindrome (676666676).
The spelling of 145135135 in words is "one hundred forty-five million, one hundred thirty-five thousand, one hundred thirty-five".
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