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144641479 is a prime number
BaseRepresentation
bin10001001111100…
…00110111000111
3101002011112210211
420213300313013
5244012011404
622204100251
73404301163
oct1047606707
9332145724
10144641479
1174712314
1240534687
1323c73b98
14152d1ca3
15ca71b04
hex89f0dc7

144641479 has 2 divisors, whose sum is σ = 144641480. Its totient is φ = 144641478.

The previous prime is 144641477. The next prime is 144641489. The reversal of 144641479 is 974146441.

It is a weak prime.

It is an emirp because it is prime and its reverse (974146441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144641479 - 21 = 144641477 is a prime.

Together with 144641477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144641477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320739 + 72320740.

It is an arithmetic number, because the mean of its divisors is an integer number (72320740).

Almost surely, 2144641479 is an apocalyptic number.

144641479 is a deficient number, since it is larger than the sum of its proper divisors (1).

144641479 is an equidigital number, since it uses as much as digits as its factorization.

144641479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 144641479 is about 12026.6985910515. The cubic root of 144641479 is about 524.9254364249.

The spelling of 144641479 in words is "one hundred forty-four million, six hundred forty-one thousand, four hundred seventy-nine".