Base | Representation |
---|---|
bin | 10001010010110… |
… | …00001001110101 |
3 | 101002222001011200 |
4 | 20221120021311 |
5 | 244114031230 |
6 | 22221123113 |
7 | 3411012522 |
oct | 1051301165 |
9 | 332861150 |
10 | 145064565 |
11 | 74981178 |
12 | 406b9499 |
13 | 24091629 |
14 | 153a2149 |
15 | cb07160 |
hex | 8a58275 |
145064565 has 24 divisors (see below), whose sum is σ = 262379520. Its totient is φ = 74003424.
The previous prime is 145064533. The next prime is 145064599. The reversal of 145064565 is 565460541.
145064565 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 645 + 6 + 5 = 666.
It is not a de Polignac number, because 145064565 - 25 = 145064533 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69045 + ... + 71114.
It is an arithmetic number, because the mean of its divisors is an integer number (10932480).
Almost surely, 2145064565 is an apocalyptic number.
145064565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145064565 is a deficient number, since it is larger than the sum of its proper divisors (117314955).
145064565 is a wasteful number, since it uses less digits than its factorization.
145064565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140193 (or 140190 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The square root of 145064565 is about 12044.2751961253. The cubic root of 145064565 is about 525.4367522074.
The spelling of 145064565 in words is "one hundred forty-five million, sixty-four thousand, five hundred sixty-five".
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