Base | Representation |
---|---|
bin | 10001001110011… |
… | …11000100000010 |
3 | 101001220111220112 |
4 | 20213033010002 |
5 | 243443044132 |
6 | 22201111322 |
7 | 3403153445 |
oct | 1047170402 |
9 | 331814815 |
10 | 144503042 |
11 | 74628302 |
12 | 40488542 |
13 | 23c25b78 |
14 | 1529765c |
15 | ca45ab2 |
hex | 89cf102 |
144503042 has 4 divisors (see below), whose sum is σ = 216754566. Its totient is φ = 72251520.
The previous prime is 144503039. The next prime is 144503057. The reversal of 144503042 is 240305441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240305441 = 12527 ⋅19183.
It can be written as a sum of positive squares in only one way, i.e., 72914521 + 71588521 = 8539^2 + 8461^2 .
It is a super-2 number, since 2×1445030422 = 41762258294507528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 144502999 and 144503017.
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 as a sum of consecutive naturals, namely, 36125759 + ... + 36125762.
Almost surely, 2144503042 is an apocalyptic number.
144503042 is a deficient number, since it is larger than the sum of its proper divisors (72251524).
144503042 is an equidigital number, since it uses as much as digits as its factorization.
144503042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72251523.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 144503042 is about 12020.9418100247. The cubic root of 144503042 is about 524.7579134814.
Adding to 144503042 its reverse (240305441), we get a palindrome (384808483).
It can be divided in two parts, 14450 and 3042, that multiplied together give a square (43956900 = 66302).
The spelling of 144503042 in words is "one hundred forty-four million, five hundred three thousand, forty-two".
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