Base | Representation |
---|---|
bin | 10001010101101… |
… | …00001000000101 |
3 | 101010200011221021 |
4 | 20222310020011 |
5 | 244213110120 |
6 | 22233151141 |
7 | 3414142033 |
oct | 1052641005 |
9 | 333604837 |
10 | 145441285 |
11 | 75109210 |
12 | 4085b4b1 |
13 | 24193c42 |
14 | 1545d553 |
15 | cb7daaa |
hex | 8ab4205 |
145441285 has 8 divisors (see below), whose sum is σ = 190395936. Its totient is φ = 105775440.
The previous prime is 145441277. The next prime is 145441297. The reversal of 145441285 is 582144541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145441285 - 23 = 145441277 is a prime.
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 145441285.
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, 1322139 + ... + 1322248.
It is an arithmetic number, because the mean of its divisors is an integer number (23799492).
Almost surely, 2145441285 is an apocalyptic number.
It is an amenable number.
145441285 is a deficient number, since it is larger than the sum of its proper divisors (44954651).
145441285 is a wasteful number, since it uses less digits than its factorization.
145441285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2644403.
The product of its digits is 25600, while the sum is 34.
The square root of 145441285 is about 12059.9040211770. The cubic root of 145441285 is about 525.8911968280.
The spelling of 145441285 in words is "one hundred forty-five million, four hundred forty-one thousand, two hundred eighty-five".
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