Base | Representation |
---|---|
bin | 10001010011110… |
… | …01111111010001 |
3 | 101010020002021120 |
4 | 20221321333101 |
5 | 244133000103 |
6 | 22224112453 |
7 | 3412130544 |
oct | 1051717721 |
9 | 333202246 |
10 | 145203153 |
11 | 74a66307 |
12 | 40765729 |
13 | 2410c734 |
14 | 153da85b |
15 | cb33253 |
hex | 8a79fd1 |
145203153 has 8 divisors (see below), whose sum is σ = 194997600. Its totient is φ = 96105408.
The previous prime is 145203143. The next prime is 145203161. The reversal of 145203153 is 351302541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145203153 - 29 = 145202641 is a prime.
It is a super-2 number, since 2×1452031532 = 42167911282282818, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145203143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173688 + ... + 174521.
It is an arithmetic number, because the mean of its divisors is an integer number (24374700).
Almost surely, 2145203153 is an apocalyptic number.
It is an amenable number.
145203153 is a deficient number, since it is larger than the sum of its proper divisors (49794447).
145203153 is a wasteful number, since it uses less digits than its factorization.
145203153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348351.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 145203153 is about 12050.0270954052. The cubic root of 145203153 is about 525.6040249698.
Adding to 145203153 its reverse (351302541), we get a palindrome (496505694).
The spelling of 145203153 in words is "one hundred forty-five million, two hundred three thousand, one hundred fifty-three".
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