Base | Representation |
---|---|
bin | 10001010101011… |
… | …00110001001001 |
3 | 101010121122120222 |
4 | 20222230301021 |
5 | 244211124040 |
6 | 22232355425 |
7 | 3413655125 |
oct | 1052546111 |
9 | 333548528 |
10 | 145411145 |
11 | 75098600 |
12 | 40845b75 |
13 | 241832c9 |
14 | 15452585 |
15 | cb74bb5 |
hex | 8aacc49 |
145411145 has 12 divisors (see below), whose sum is σ = 191799300. Its totient is φ = 105753120.
The previous prime is 145411141. The next prime is 145411151. The reversal of 145411145 is 541114541.
It can be written as a sum of positive squares in 2 ways, for example, as 55294096 + 90117049 = 7436^2 + 9493^2 .
It is not a de Polignac number, because 145411145 - 22 = 145411141 is a prime.
It is a super-2 number, since 2×1454111452 = 42288802180422050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145411141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119570 + ... + 120779.
It is an arithmetic number, because the mean of its divisors is an integer number (15983275).
Almost surely, 2145411145 is an apocalyptic number.
It is an amenable number.
145411145 is a deficient number, since it is larger than the sum of its proper divisors (46388155).
145411145 is a wasteful number, since it uses less digits than its factorization.
145411145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240376 (or 240365 counting only the distinct ones).
The product of its digits is 1600, while the sum is 26.
The square root of 145411145 is about 12058.6543610803. The cubic root of 145411145 is about 525.8548672633.
Adding to 145411145 its reverse (541114541), we get a palindrome (686525686).
The spelling of 145411145 in words is "one hundred forty-five million, four hundred eleven thousand, one hundred forty-five".
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