Base | Representation |
---|---|
bin | 10001001011101… |
… | …11101010010001 |
3 | 101001020022211020 |
4 | 20211313222101 |
5 | 243400120131 |
6 | 22145310053 |
7 | 3400132635 |
oct | 1045675221 |
9 | 331208736 |
10 | 144145041 |
11 | 74403337 |
12 | 40335329 |
13 | 23b2bc31 |
14 | 15202dc5 |
15 | c9c4996 |
hex | 8977a91 |
144145041 has 4 divisors (see below), whose sum is σ = 192193392. Its totient is φ = 96096692.
The previous prime is 144144977. The next prime is 144145061. The reversal of 144145041 is 140541441.
144145041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140541441 = 3 ⋅46847147.
It is a cyclic number.
It is not a de Polignac number, because 144145041 - 26 = 144144977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144145061) 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, 24024171 + ... + 24024176.
It is an arithmetic number, because the mean of its divisors is an integer number (48048348).
Almost surely, 2144145041 is an apocalyptic number.
It is an amenable number.
144145041 is a deficient number, since it is larger than the sum of its proper divisors (48048351).
144145041 is an equidigital number, since it uses as much as digits as its factorization.
144145041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48048350.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 144145041 is about 12006.0418540000. The cubic root of 144145041 is about 524.3241989357.
Adding to 144145041 its reverse (140541441), we get a palindrome (284686482).
The spelling of 144145041 in words is "one hundred forty-four million, one hundred forty-five thousand, forty-one".
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