Base | Representation |
---|---|
bin | 10001011000101… |
… | …10111001111010 |
3 | 101011102201221100 |
4 | 20230112321322 |
5 | 244314032012 |
6 | 22245552230 |
7 | 3420445440 |
oct | 1054267172 |
9 | 334381840 |
10 | 145845882 |
11 | 75365196 |
12 | 40a15676 |
13 | 242a6150 |
14 | 15526b90 |
15 | cc0d8dc |
hex | 8b16e7a |
145845882 has 96 divisors (see below), whose sum is σ = 391547520. Its totient is φ = 38206080.
The previous prime is 145845811. The next prime is 145845893. The reversal of 145845882 is 288548541.
145845882 is a `hidden beast` number, since 14 + 58 + 4 + 588 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440457 + ... + 440787.
It is an arithmetic number, because the mean of its divisors is an integer number (4078620).
Almost surely, 2145845882 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145845882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195773760).
145845882 is an abundant number, since it is smaller than the sum of its proper divisors (245701638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145845882 is a wasteful number, since it uses less digits than its factorization.
145845882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 628 (or 625 counting only the distinct ones).
The product of its digits is 409600, while the sum is 45.
The square root of 145845882 is about 12076.6668414758. Note that the first 3 decimals coincide. The cubic root of 145845882 is about 526.3783968748.
The spelling of 145845882 in words is "one hundred forty-five million, eight hundred forty-five thousand, eight hundred eighty-two".
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