Search a number
-
+
144071789 is a prime number
BaseRepresentation
bin10001001011001…
…01110001101101
3101001002121100012
420211211301231
5243340244124
622143543005
73366406241
oct1045456155
9331077305
10144071789
11743632a4
12402baa65
1323b047a4
14151c4421
15c9ace0e
hex8965c6d

144071789 has 2 divisors, whose sum is σ = 144071790. Its totient is φ = 144071788.

The previous prime is 144071783. The next prime is 144071831. The reversal of 144071789 is 987170441.

144071789 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., 78623689 + 65448100 = 8867^2 + 8090^2 .

It is a cyclic number.

It is not a de Polignac number, because 144071789 - 24 = 144071773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144071783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72035894 + 72035895.

It is an arithmetic number, because the mean of its divisors is an integer number (72035895).

Almost surely, 2144071789 is an apocalyptic number.

It is an amenable number.

144071789 is a deficient number, since it is larger than the sum of its proper divisors (1).

144071789 is an equidigital number, since it uses as much as digits as its factorization.

144071789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 144071789 is about 12002.9908356209. The cubic root of 144071789 is about 524.2353664102.

The spelling of 144071789 in words is "one hundred forty-four million, seventy-one thousand, seven hundred eighty-nine".