Base | Representation |
---|---|
bin | 10001001110100… |
… | …01100010000011 |
3 | 101001221000210002 |
4 | 20213101202003 |
5 | 243443410110 |
6 | 22201230215 |
7 | 3403225103 |
oct | 1047214203 |
9 | 331830702 |
10 | 144513155 |
11 | 74634966 |
12 | 4049236b |
13 | 23c2a657 |
14 | 1529b203 |
15 | ca48aa5 |
hex | 89d1883 |
144513155 has 8 divisors (see below), whose sum is σ = 173491584. Its totient is φ = 115560000.
The previous prime is 144513133. The next prime is 144513169. The reversal of 144513155 is 551315441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144513155 - 26 = 144513091 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10190 + ... + 19820.
It is an arithmetic number, because the mean of its divisors is an integer number (21686448).
Almost surely, 2144513155 is an apocalyptic number.
144513155 is a deficient number, since it is larger than the sum of its proper divisors (28978429).
144513155 is an equidigital number, since it uses as much as digits as its factorization.
144513155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12637.
The product of its digits is 6000, while the sum is 29.
The square root of 144513155 is about 12021.3624435835. The cubic root of 144513155 is about 524.7701548684.
Adding to 144513155 its reverse (551315441), we get a palindrome (695828596).
The spelling of 144513155 in words is "one hundred forty-four million, five hundred thirteen thousand, one hundred fifty-five".
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