Search a number
-
+
144533849 is a prime number
BaseRepresentation
bin10001001110101…
…10100101011001
3101001222002011112
420213112211121
5244000040344
622201510105
73403342325
oct1047264531
9331862145
10144533849
1174649469
12404a2335
1323c36bb5
14152a4985
15ca4ec9e
hex89d6959

144533849 has 2 divisors, whose sum is σ = 144533850. Its totient is φ = 144533848.

The previous prime is 144533839. The next prime is 144533903. The reversal of 144533849 is 948335441.

144533849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86118400 + 58415449 = 9280^2 + 7643^2 .

It is a cyclic number.

It is not a de Polignac number, because 144533849 - 24 = 144533833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144533819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72266924 + 72266925.

It is an arithmetic number, because the mean of its divisors is an integer number (72266925).

Almost surely, 2144533849 is an apocalyptic number.

It is an amenable number.

144533849 is a deficient number, since it is larger than the sum of its proper divisors (1).

144533849 is an equidigital number, since it uses as much as digits as its factorization.

144533849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 144533849 is about 12022.2231305196. The cubic root of 144533849 is about 524.7952023581.

The spelling of 144533849 in words is "one hundred forty-four million, five hundred thirty-three thousand, eight hundred forty-nine".