Base | Representation |
---|---|
bin | 10001001011101… |
… | …11011111010110 |
3 | 101001020021212100 |
4 | 20211313133112 |
5 | 243400104332 |
6 | 22145302530 |
7 | 3400130616 |
oct | 1045673726 |
9 | 331207770 |
10 | 144144342 |
11 | 74402861 |
12 | 40334a46 |
13 | 23b2b814 |
14 | 15202a46 |
15 | c9c467c |
hex | 89777d6 |
144144342 has 72 divisors (see below), whose sum is σ = 329563728. Its totient is φ = 45511200.
The previous prime is 144144331. The next prime is 144144349. The reversal of 144144342 is 243441441.
It is a super-2 number, since 2×1441443422 = 41555182661225928, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144144349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2030167 + ... + 2030237.
It is an arithmetic number, because the mean of its divisors is an integer number (4577274).
Almost surely, 2144144342 is an apocalyptic number.
144144342 is an abundant number, since it is smaller than the sum of its proper divisors (185419386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144144342 is a wasteful number, since it uses less digits than its factorization.
144144342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 180 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 144144342 is about 12006.0127436214. The cubic root of 144144342 is about 524.3233514024.
Adding to 144144342 its reverse (243441441), we get a palindrome (387585783).
The spelling of 144144342 in words is "one hundred forty-four million, one hundred forty-four thousand, three hundred forty-two".
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