Base | Representation |
---|---|
bin | 10001010011110… |
… | …01010011100001 |
3 | 101010012221102212 |
4 | 20221321103201 |
5 | 244132402403 |
6 | 22224051505 |
7 | 3412116434 |
oct | 1051712341 |
9 | 333187385 |
10 | 145200353 |
11 | 74a641a1 |
12 | 40763b95 |
13 | 2410b38c |
14 | 153d981b |
15 | cb324d8 |
hex | 8a794e1 |
145200353 has 4 divisors (see below), whose sum is σ = 145724820. Its totient is φ = 144675888.
The previous prime is 145200277. The next prime is 145200359. The reversal of 145200353 is 353002541.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9314704 + 135885649 = 3052^2 + 11657^2 .
It is a cyclic number.
It is not a de Polignac number, because 145200353 - 212 = 145196257 is a prime.
It is a super-2 number, since 2×1452003532 = 42166285022649218, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145200359) 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 3 ways as a sum of consecutive naturals, for example, 261818 + ... + 262371.
It is an arithmetic number, because the mean of its divisors is an integer number (36431205).
Almost surely, 2145200353 is an apocalyptic number.
It is an amenable number.
145200353 is a deficient number, since it is larger than the sum of its proper divisors (524467).
145200353 is an equidigital number, since it uses as much as digits as its factorization.
145200353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 524466.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 145200353 is about 12049.9109125338. The cubic root of 145200353 is about 525.6006464832.
Adding to 145200353 its reverse (353002541), we get a palindrome (498202894).
The spelling of 145200353 in words is "one hundred forty-five million, two hundred thousand, three hundred fifty-three".
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