Search a number
-
+
144270979 is a prime number
BaseRepresentation
bin10001001100101…
…10011010000011
3101001110201120121
420212112122003
5243413132404
622152121111
73401166046
oct1046263203
9331421517
10144270979
1174489a16
1240396197
1323b74358
1415236c5d
15c9ebe54
hex8996683

144270979 has 2 divisors, whose sum is σ = 144270980. Its totient is φ = 144270978.

The previous prime is 144270953. The next prime is 144271013. The reversal of 144270979 is 979072441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144270979 - 217 = 144139907 is a prime.

It is not a weakly prime, because it can be changed into another prime (144270079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72135489 + 72135490.

It is an arithmetic number, because the mean of its divisors is an integer number (72135490).

Almost surely, 2144270979 is an apocalyptic number.

144270979 is a deficient number, since it is larger than the sum of its proper divisors (1).

144270979 is an equidigital number, since it uses as much as digits as its factorization.

144270979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 144270979 is about 12011.2854849096. The cubic root of 144270979 is about 524.4768533253.

The spelling of 144270979 in words is "one hundred forty-four million, two hundred seventy thousand, nine hundred seventy-nine".