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144144433 is a prime number
BaseRepresentation
bin10001001011101…
…11100000110001
3101001020021222201
420211313200301
5243400110213
622145303201
73400131106
oct1045674061
9331207881
10144144433
1174402934
1240334b01
1323b2b884
1415202aad
15c9c46dd
hex8977831

144144433 has 2 divisors, whose sum is σ = 144144434. Its totient is φ = 144144432.

The previous prime is 144144421. The next prime is 144144443. The reversal of 144144433 is 334441441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123921424 + 20223009 = 11132^2 + 4497^2 .

It is a cyclic number.

It is not a de Polignac number, because 144144433 - 221 = 142047281 is a prime.

It is not a weakly prime, because it can be changed into another prime (144144443) 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, 72072216 + 72072217.

It is an arithmetic number, because the mean of its divisors is an integer number (72072217).

Almost surely, 2144144433 is an apocalyptic number.

It is an amenable number.

144144433 is a deficient number, since it is larger than the sum of its proper divisors (1).

144144433 is an equidigital number, since it uses as much as digits as its factorization.

144144433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 144144433 is about 12006.0165333886. The cubic root of 144144433 is about 524.3234617395.

Adding to 144144433 its reverse (334441441), we get a palindrome (478585874).

The spelling of 144144433 in words is "one hundred forty-four million, one hundred forty-four thousand, four hundred thirty-three".