Base | Representation |
---|---|
bin | 10001010010111… |
… | …01111111100001 |
3 | 101010000020222110 |
4 | 20221131333201 |
5 | 244120312411 |
6 | 22221425533 |
7 | 3411142326 |
oct | 1051357741 |
9 | 333006873 |
10 | 145088481 |
11 | 7499813a |
12 | 4070b2a9 |
13 | 2409c495 |
14 | 153aab4d |
15 | cb0e2a6 |
hex | 8a5dfe1 |
145088481 has 8 divisors (see below), whose sum is σ = 193607680. Its totient is φ = 96647472.
The previous prime is 145088473. The next prime is 145088491. The reversal of 145088481 is 184880541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145088481 - 23 = 145088473 is a prime.
It is a super-2 number, since 2×1450884812 = 42101334637774722, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145088441) 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, 15070 + ... + 22743.
It is an arithmetic number, because the mean of its divisors is an integer number (24200960).
Almost surely, 2145088481 is an apocalyptic number.
It is an amenable number.
145088481 is a deficient number, since it is larger than the sum of its proper divisors (48519199).
145088481 is a wasteful number, since it uses less digits than its factorization.
145088481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39095.
The product of its (nonzero) digits is 40960, while the sum is 39.
The square root of 145088481 is about 12045.2679920374. The cubic root of 145088481 is about 525.4656259135.
The spelling of 145088481 in words is "one hundred forty-five million, eighty-eight thousand, four hundred eighty-one".
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