Base | Representation |
---|---|
bin | 10001010011010… |
… | …11011000111011 |
3 | 101010010001020211 |
4 | 20221223120323 |
5 | 244124041410 |
6 | 22222531551 |
7 | 3411461320 |
oct | 1051533073 |
9 | 333101224 |
10 | 145143355 |
11 | 74a25395 |
12 | 40736bb7 |
13 | 240bb456 |
14 | 153c2b47 |
15 | cb2068a |
hex | 8a6b63b |
145143355 has 16 divisors (see below), whose sum is σ = 199249920. Its totient is φ = 99428832.
The previous prime is 145143353. The next prime is 145143371. The reversal of 145143355 is 553341541.
It is a cyclic number.
It is not a de Polignac number, because 145143355 - 21 = 145143353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145143353) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64662 + ... + 66868.
It is an arithmetic number, because the mean of its divisors is an integer number (12453120).
Almost surely, 2145143355 is an apocalyptic number.
145143355 is a deficient number, since it is larger than the sum of its proper divisors (54106565).
145143355 is a wasteful number, since it uses less digits than its factorization.
145143355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4098.
The product of its digits is 18000, while the sum is 31.
The square root of 145143355 is about 12047.5456006607. The cubic root of 145143355 is about 525.5318631185.
Adding to 145143355 its reverse (553341541), we get a palindrome (698484896).
The spelling of 145143355 in words is "one hundred forty-five million, one hundred forty-three thousand, three hundred fifty-five".
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