Base | Representation |
---|---|
bin | 10001001111100… |
… | …00110110101110 |
3 | 101002011112202220 |
4 | 20213300312232 |
5 | 244012011304 |
6 | 22204100210 |
7 | 3404301126 |
oct | 1047606656 |
9 | 332145686 |
10 | 144641454 |
11 | 747122a1 |
12 | 40534666 |
13 | 23c73b79 |
14 | 152d1c86 |
15 | ca71ad9 |
hex | 89f0dae |
144641454 has 16 divisors (see below), whose sum is σ = 291365760. Its totient is φ = 47866680.
The previous prime is 144641429. The next prime is 144641461. The reversal of 144641454 is 454146441.
144641454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85882 + ... + 87549.
It is an arithmetic number, because the mean of its divisors is an integer number (18210360).
Almost surely, 2144641454 is an apocalyptic number.
144641454 is an abundant number, since it is smaller than the sum of its proper divisors (146724306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144641454 is a wasteful number, since it uses less digits than its factorization.
144641454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173575.
The product of its digits is 30720, while the sum is 33.
The square root of 144641454 is about 12026.6975516972. The cubic root of 144641454 is about 524.9254061820.
Adding to 144641454 its reverse (454146441), we get a palindrome (598787895).
The spelling of 144641454 in words is "one hundred forty-four million, six hundred forty-one thousand, four hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •