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144798887 is a prime number
BaseRepresentation
bin10001010000101…
…11010010100111
3101002110112201202
420220113102213
5244032031022
622211313115
73405525122
oct1050272247
9332415652
10144798887
117480a602
12405ab79b
1323cca71c
14153333b9
15caa3592
hex8a174a7

144798887 has 2 divisors, whose sum is σ = 144798888. Its totient is φ = 144798886.

The previous prime is 144798833. The next prime is 144798889. The reversal of 144798887 is 788897441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144798887 - 220 = 143750311 is a prime.

Together with 144798889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144798889) 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, 72399443 + 72399444.

It is an arithmetic number, because the mean of its divisors is an integer number (72399444).

Almost surely, 2144798887 is an apocalyptic number.

144798887 is a deficient number, since it is larger than the sum of its proper divisors (1).

144798887 is an equidigital number, since it uses as much as digits as its factorization.

144798887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 56.

The square root of 144798887 is about 12033.2409183894. The cubic root of 144798887 is about 525.1157864045.

The spelling of 144798887 in words is "one hundred forty-four million, seven hundred ninety-eight thousand, eight hundred eighty-seven".