Base | Representation |
---|---|
bin | 10001010010110… |
… | …00010111110111 |
3 | 101002222002101221 |
4 | 20221120113313 |
5 | 244114043323 |
6 | 22221131211 |
7 | 3411015244 |
oct | 1051302767 |
9 | 332862357 |
10 | 145065463 |
11 | 74981914 |
12 | 406b9b07 |
13 | 24091b6a |
14 | 153a25cb |
15 | cb0755d |
hex | 8a585f7 |
145065463 has 4 divisors (see below), whose sum is σ = 145444608. Its totient is φ = 144686320.
The previous prime is 145065451. The next prime is 145065499. The reversal of 145065463 is 364560541.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364560541 = 2969 ⋅122789.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145065463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145065433) 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, 188998 + ... + 189763.
It is an arithmetic number, because the mean of its divisors is an integer number (36361152).
Almost surely, 2145065463 is an apocalyptic number.
145065463 is a deficient number, since it is larger than the sum of its proper divisors (379145).
145065463 is an equidigital number, since it uses as much as digits as its factorization.
145065463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379144.
The product of its (nonzero) digits is 43200, while the sum is 34.
The square root of 145065463 is about 12044.3124751893. The cubic root of 145065463 is about 525.4378364171.
The spelling of 145065463 in words is "one hundred forty-five million, sixty-five thousand, four hundred sixty-three".
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