Base | Representation |
---|---|
bin | 10001010011000… |
… | …01110011101001 |
3 | 101010001001102010 |
4 | 20221201303221 |
5 | 244121312410 |
6 | 22222030133 |
7 | 3411236016 |
oct | 1051416351 |
9 | 333031363 |
10 | 145104105 |
11 | 749a8953 |
12 | 40718349 |
13 | 240a6623 |
14 | 153b270d |
15 | cb13c20 |
hex | 8a61ce9 |
145104105 has 8 divisors (see below), whose sum is σ = 232166592. Its totient is φ = 77388848.
The previous prime is 145104077. The next prime is 145104107. The reversal of 145104105 is 501401541.
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 145104105 - 26 = 145104041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145104107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4836789 + ... + 4836818.
It is an arithmetic number, because the mean of its divisors is an integer number (29020824).
Almost surely, 2145104105 is an apocalyptic number.
145104105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145104105 is a deficient number, since it is larger than the sum of its proper divisors (87062487).
145104105 is an equidigital number, since it uses as much as digits as its factorization.
145104105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9673615.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 145104105 is about 12045.9165280189. The cubic root of 145104105 is about 525.4844870025.
Adding to 145104105 its reverse (501401541), we get a palindrome (646505646).
The spelling of 145104105 in words is "one hundred forty-five million, one hundred four thousand, one hundred five".
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