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144944879 is a prime number
BaseRepresentation
bin10001010001110…
…10111011101111
3101002201221222212
420220322323233
5244101214004
622214401035
73410003552
oct1050727357
9332657885
10144944879
11748aa262
124066017b
132404c001
1415370699
15cad196e
hex8a3aeef

144944879 has 2 divisors, whose sum is σ = 144944880. Its totient is φ = 144944878.

The previous prime is 144944837. The next prime is 144944897. The reversal of 144944879 is 978449441.

Together with next prime (144944897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144944879 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 (144934879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72472439 + 72472440.

It is an arithmetic number, because the mean of its divisors is an integer number (72472440).

Almost surely, 2144944879 is an apocalyptic number.

144944879 is a deficient number, since it is larger than the sum of its proper divisors (1).

144944879 is an equidigital number, since it uses as much as digits as its factorization.

144944879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 144944879 is about 12039.3055862869. The cubic root of 144944879 is about 525.2922080035.

The spelling of 144944879 in words is "one hundred forty-four million, nine hundred forty-four thousand, eight hundred seventy-nine".