Base | Representation |
---|---|
bin | 10001001011111… |
… | …00100010110010 |
3 | 101001021100021000 |
4 | 20211330202302 |
5 | 243401240132 |
6 | 22145542430 |
7 | 3400245150 |
oct | 1045744262 |
9 | 331240230 |
10 | 144165042 |
11 | 7441736a |
12 | 40344a16 |
13 | 23b38078 |
14 | 1520a3d0 |
15 | c9ca87c |
hex | 897c8b2 |
144165042 has 32 divisors (see below), whose sum is σ = 366134400. Its totient is φ = 41189904.
The previous prime is 144165041. The next prime is 144165067. The reversal of 144165042 is 240561441.
144165042 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 650 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 144164997 and 144165015.
It is not an unprimeable number, because it can be changed into a prime (144165041) by changing a digit.
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, 190317 + ... + 191072.
It is an arithmetic number, because the mean of its divisors is an integer number (11441700).
Almost surely, 2144165042 is an apocalyptic number.
144165042 is an abundant number, since it is smaller than the sum of its proper divisors (221969358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144165042 is a wasteful number, since it uses less digits than its factorization.
144165042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381407 (or 381401 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 144165042 is about 12006.8747807246. The cubic root of 144165042 is about 524.3484488700.
The spelling of 144165042 in words is "one hundred forty-four million, one hundred sixty-five thousand, forty-two".
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