Base | Representation |
---|---|
bin | 10001001011001… |
… | …10100101111011 |
3 | 101001002202220222 |
4 | 20211212211323 |
5 | 243340401011 |
6 | 22144010255 |
7 | 3366422054 |
oct | 1045464573 |
9 | 331082828 |
10 | 144075131 |
11 | 74365862 |
12 | 4030098b |
13 | 23b06175 |
14 | 151c572b |
15 | c9adddb |
hex | 896697b |
144075131 has 4 divisors (see below), whose sum is σ = 144880200. Its totient is φ = 143270064.
The previous prime is 144075101. The next prime is 144075133. The reversal of 144075131 is 131570441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131570441 = 631 ⋅208511.
It is a cyclic number.
It is not a de Polignac number, because 144075131 - 26 = 144075067 is a prime.
It is a super-2 number, since 2×1440751312 = 41515286745334322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144075131.
It is not an unprimeable number, because it can be changed into a prime (144075133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402266 + ... + 402623.
It is an arithmetic number, because the mean of its divisors is an integer number (36220050).
Almost surely, 2144075131 is an apocalyptic number.
144075131 is a deficient number, since it is larger than the sum of its proper divisors (805069).
144075131 is an equidigital number, since it uses as much as digits as its factorization.
144075131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805068.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 144075131 is about 12003.1300501161. The cubic root of 144075131 is about 524.2394199011.
The spelling of 144075131 in words is "one hundred forty-four million, seventy-five thousand, one hundred thirty-one".
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