Search a number
-
+
144532243 is a prime number
BaseRepresentation
bin10001001110101…
…10001100010011
3101001221222222001
420213112030103
5244000012433
622201454431
73403334542
oct1047261423
9331858861
10144532243
1174648239
12404a1417
1323c3624b
14152a4159
15ca4e57d
hex89d6313

144532243 has 2 divisors, whose sum is σ = 144532244. Its totient is φ = 144532242.

The previous prime is 144532237. The next prime is 144532319. The reversal of 144532243 is 342235441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144532243 is a prime.

It is a super-2 number, since 2×1445322432 = 41779138533222098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144592243) 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 as a sum of consecutive naturals, namely, 72266121 + 72266122.

It is an arithmetic number, because the mean of its divisors is an integer number (72266122).

Almost surely, 2144532243 is an apocalyptic number.

144532243 is a deficient number, since it is larger than the sum of its proper divisors (1).

144532243 is an equidigital number, since it uses as much as digits as its factorization.

144532243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 28.

The square root of 144532243 is about 12022.1563373631. The cubic root of 144532243 is about 524.7932585822.

Adding to 144532243 its reverse (342235441), we get a palindrome (486767684).

The spelling of 144532243 in words is "one hundred forty-four million, five hundred thirty-two thousand, two hundred forty-three".