Base | Representation |
---|---|
bin | 10001010101011… |
… | …10011110110110 |
3 | 101010122000020000 |
4 | 20222232132312 |
5 | 244211340131 |
6 | 22232452130 |
7 | 3414014445 |
oct | 1052563666 |
9 | 333560200 |
10 | 145418166 |
11 | 750a2903 |
12 | 4084a046 |
13 | 2418656a |
14 | 15454d5c |
15 | cb76ce6 |
hex | 8aae7b6 |
145418166 has 40 divisors (see below), whose sum is σ = 327603144. Its totient is φ = 48211200.
The previous prime is 145418159. The next prime is 145418197. The reversal of 145418166 is 661814541.
It is a super-2 number, since 2×1454181662 = 42292886005607112, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 145418166.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28941 + ... + 33591.
Almost surely, 2145418166 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145418166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163801572).
145418166 is an abundant number, since it is smaller than the sum of its proper divisors (182184978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145418166 is a wasteful number, since it uses less digits than its factorization.
145418166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4858 (or 4849 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 145418166 is about 12058.9454762844. The cubic root of 145418166 is about 525.8633305477.
The spelling of 145418166 in words is "one hundred forty-five million, four hundred eighteen thousand, one hundred sixty-six".
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