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144426787 is a prime number
BaseRepresentation
bin10001001101111…
…00011100100011
3101001202122022021
420212330130203
5243433124122
622155322311
73402415231
oct1046743443
9331678267
10144426787
1174585a8a
1240450397
1323bca24b
1415277951
15ca2d1c7
hex89bc723

144426787 has 2 divisors, whose sum is σ = 144426788. Its totient is φ = 144426786.

The previous prime is 144426701. The next prime is 144426791. The reversal of 144426787 is 787624441.

144426787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (787624441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144426787 - 211 = 144424739 is a prime.

It is not a weakly prime, because it can be changed into another prime (144426287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72213393 + 72213394.

It is an arithmetic number, because the mean of its divisors is an integer number (72213394).

Almost surely, 2144426787 is an apocalyptic number.

144426787 is a deficient number, since it is larger than the sum of its proper divisors (1).

144426787 is an equidigital number, since it uses as much as digits as its factorization.

144426787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 43.

The square root of 144426787 is about 12017.7696350030. The cubic root of 144426787 is about 524.6655914214.

The spelling of 144426787 in words is "one hundred forty-four million, four hundred twenty-six thousand, seven hundred eighty-seven".