Base | Representation |
---|---|
bin | 10001010111001… |
… | …01101001001100 |
3 | 101011001111011020 |
4 | 20223211221030 |
5 | 244241102413 |
6 | 22241354140 |
7 | 3415645251 |
oct | 1053455114 |
9 | 334044136 |
10 | 145644108 |
11 | 75237635 |
12 | 40938950 |
13 | 2423535c |
14 | 154b3428 |
15 | cbbdc23 |
hex | 8ae5a4c |
145644108 has 48 divisors (see below), whose sum is σ = 344838144. Its totient is φ = 47839680.
The previous prime is 145644077. The next prime is 145644113. The reversal of 145644108 is 801446541.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345738 + ... + 346158.
It is an arithmetic number, because the mean of its divisors is an integer number (7184128).
Almost surely, 2145644108 is an apocalyptic number.
It is an amenable number.
145644108 is an abundant number, since it is smaller than the sum of its proper divisors (199194036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145644108 is a wasteful number, since it uses less digits than its factorization.
145644108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 782 (or 780 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 145644108 is about 12068.3100722512. The cubic root of 145644108 is about 526.1355412196.
The spelling of 145644108 in words is "one hundred forty-five million, six hundred forty-four thousand, one hundred eight".
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