Base | Representation |
---|---|
bin | 10001010110010… |
… | …10010011111100 |
3 | 101010211210120212 |
4 | 20223022103330 |
5 | 244224012111 |
6 | 22235131552 |
7 | 3415001000 |
oct | 1053122374 |
9 | 333753525 |
10 | 145532156 |
11 | 75170510 |
12 | 408a3bb8 |
13 | 241c6403 |
14 | 15484700 |
15 | cb9a98b |
hex | 8aca4fc |
145532156 has 48 divisors (see below), whose sum is σ = 324038400. Its totient is φ = 56694960.
The previous prime is 145532131. The next prime is 145532171. The reversal of 145532156 is 651235541.
145532156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10271 + ... + 19913.
It is an arithmetic number, because the mean of its divisors is an integer number (6750800).
Almost surely, 2145532156 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145532156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162019200).
145532156 is an abundant number, since it is smaller than the sum of its proper divisors (178506244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145532156 is a wasteful number, since it uses less digits than its factorization.
145532156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9679 (or 9663 counting only the distinct ones).
The product of its digits is 18000, while the sum is 32.
The square root of 145532156 is about 12063.6709172623. The cubic root of 145532156 is about 526.0006987707. Note that the first 3 decimals are identical.
Adding to 145532156 its reverse (651235541), we get a palindrome (796767697).
The spelling of 145532156 in words is "one hundred forty-five million, five hundred thirty-two thousand, one hundred fifty-six".
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