Base | Representation |
---|---|
bin | 10001010100000… |
… | …11010001110101 |
3 | 101010022000110220 |
4 | 20222003101311 |
5 | 244140204310 |
6 | 22225004553 |
7 | 3412346514 |
oct | 1052032165 |
9 | 333260426 |
10 | 145241205 |
11 | 74a9195a |
12 | 40783759 |
13 | 24123b55 |
14 | 1540a67b |
15 | cb3e670 |
hex | 8a83475 |
145241205 has 32 divisors (see below), whose sum is σ = 243834624. Its totient is φ = 73683456.
The previous prime is 145241167. The next prime is 145241207. The reversal of 145241205 is 502142541.
It is not a de Polignac number, because 145241205 - 210 = 145240181 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145241207) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66897 + ... + 69033.
It is an arithmetic number, because the mean of its divisors is an integer number (7619832).
Almost surely, 2145241205 is an apocalyptic number.
145241205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145241205 is a deficient number, since it is larger than the sum of its proper divisors (98593419).
145241205 is a wasteful number, since it uses less digits than its factorization.
145241205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2365.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 145241205 is about 12051.6059095873. The cubic root of 145241205 is about 525.6499342978.
Adding to 145241205 its reverse (502142541), we get a palindrome (647383746).
The spelling of 145241205 in words is "one hundred forty-five million, two hundred forty-one thousand, two hundred five".
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