Search a number
-
+
144246318479 is a prime number
BaseRepresentation
bin1000011001010111000…
…0000010010110001111
3111210022202220012121222
42012111300002112033
54330404024142404
6150133231113555
713264362322364
oct2062560022617
9453282805558
10144246318479
11561a131705a
1223b579728bb
13107aa537493
146da558046b
153b438eedbe
hex2195c0258f

144246318479 has 2 divisors, whose sum is σ = 144246318480. Its totient is φ = 144246318478.

The previous prime is 144246318427. The next prime is 144246318497. The reversal of 144246318479 is 974813642441.

Together with next prime (144246318497) 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 not a de Polignac number, because 144246318479 - 212 = 144246314383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144246318479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144246338479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72123159239 + 72123159240.

It is an arithmetic number, because the mean of its divisors is an integer number (72123159240).

Almost surely, 2144246318479 is an apocalyptic number.

144246318479 is a deficient number, since it is larger than the sum of its proper divisors (1).

144246318479 is an equidigital number, since it uses as much as digits as its factorization.

144246318479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 53.

The spelling of 144246318479 in words is "one hundred forty-four billion, two hundred forty-six million, three hundred eighteen thousand, four hundred seventy-nine".