Base | Representation |
---|---|
bin | 10001010010111… |
… | …01110101100011 |
3 | 101010000020002211 |
4 | 20221131311203 |
5 | 244120302333 |
6 | 22221422551 |
7 | 3411140425 |
oct | 1051356543 |
9 | 333006084 |
10 | 145087843 |
11 | 7499770a |
12 | 4070aa57 |
13 | 2409c0c4 |
14 | 153aa815 |
15 | cb0decd |
hex | 8a5dd63 |
145087843 has 8 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 132147840.
The previous prime is 145087823. The next prime is 145087849. The reversal of 145087843 is 348780541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145087843 - 29 = 145087331 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 145087796 and 145087805.
It is not an unprimeable number, because it can be changed into a prime (145087849) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137128 + ... + 138181.
It is an arithmetic number, because the mean of its divisors is an integer number (19822320).
Almost surely, 2145087843 is an apocalyptic number.
145087843 is a deficient number, since it is larger than the sum of its proper divisors (13490717).
145087843 is a wasteful number, since it uses less digits than its factorization.
145087843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275357.
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 145087843 is about 12045.2415085792. The cubic root of 145087843 is about 525.4648556995.
The spelling of 145087843 in words is "one hundred forty-five million, eighty-seven thousand, eight hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •