Base | Representation |
---|---|
bin | 10001010100110… |
… | …11011011010011 |
3 | 101010111001011020 |
4 | 20222123123103 |
5 | 244201340430 |
6 | 22231050523 |
7 | 3413241054 |
oct | 1052333323 |
9 | 333431136 |
10 | 145340115 |
11 | 7504a1a8 |
12 | 40810a43 |
13 | 24159b8b |
14 | 1543472b |
15 | cb5db10 |
hex | 8a9b6d3 |
145340115 has 16 divisors (see below), whose sum is σ = 235159200. Its totient is φ = 76643072.
The previous prime is 145340093. The next prime is 145340119. The reversal of 145340115 is 511043541.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 145340115 - 26 = 145340051 is a prime.
It is a super-2 number, since 2×1453401152 = 42247498056426450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145340119) 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, 53100 + ... + 55769.
It is an arithmetic number, because the mean of its divisors is an integer number (14697450).
Almost surely, 2145340115 is an apocalyptic number.
145340115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145340115 is a deficient number, since it is larger than the sum of its proper divisors (89819085).
145340115 is a wasteful number, since it uses less digits than its factorization.
145340115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108966.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 145340115 is about 12055.7088136700. The cubic root of 145340115 is about 525.7692306485.
Adding to 145340115 its reverse (511043541), we get a palindrome (656383656).
The spelling of 145340115 in words is "one hundred forty-five million, three hundred forty thousand, one hundred fifteen".
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