Base | Representation |
---|---|
bin | 10001010110111… |
… | …10011100111000 |
3 | 101010222222202010 |
4 | 20223132130320 |
5 | 244234132043 |
6 | 22241005520 |
7 | 3415463334 |
oct | 1053363470 |
9 | 333888663 |
10 | 145614648 |
11 | 75217493 |
12 | 409238a0 |
13 | 24224b1a |
14 | 154a67c4 |
15 | cbb5133 |
hex | 8ade738 |
145614648 has 64 divisors (see below), whose sum is σ = 374492160. Its totient is φ = 47159936.
The previous prime is 145614607. The next prime is 145614659. The reversal of 145614648 is 846416541.
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, 187990 + ... + 188762.
It is an arithmetic number, because the mean of its divisors is an integer number (5851440).
Almost surely, 2145614648 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 145614648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187246080).
145614648 is an abundant number, since it is smaller than the sum of its proper divisors (228877512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145614648 is a wasteful number, since it uses less digits than its factorization.
145614648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 996 (or 992 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 145614648 is about 12067.0894585231. The cubic root of 145614648 is about 526.1000643336.
The spelling of 145614648 in words is "one hundred forty-five million, six hundred fourteen thousand, six hundred forty-eight".
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