Search a number
-
+
144454314409 is a prime number
BaseRepresentation
bin1000011010001000100…
…1011110100110101001
3111210212021021111101221
42012202021132212221
54331320301030114
6150210021142041
713302466261456
oct2064211364651
9453767244357
10144454314409
1156298770519
1223bb555a921
13108116610b2
146dc504482d
153b56cd8524
hex21a225e9a9

144454314409 has 2 divisors, whose sum is σ = 144454314410. Its totient is φ = 144454314408.

The previous prime is 144454314373. The next prime is 144454314443. The reversal of 144454314409 is 904413454441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126248749225 + 18205565184 = 355315^2 + 134928^2 .

It is a cyclic number.

It is not a de Polignac number, because 144454314409 - 215 = 144454281641 is a prime.

It is not a weakly prime, because it can be changed into another prime (144454314479) 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, 72227157204 + 72227157205.

It is an arithmetic number, because the mean of its divisors is an integer number (72227157205).

Almost surely, 2144454314409 is an apocalyptic number.

It is an amenable number.

144454314409 is a deficient number, since it is larger than the sum of its proper divisors (1).

144454314409 is an equidigital number, since it uses as much as digits as its factorization.

144454314409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 144454314409 in words is "one hundred forty-four billion, four hundred fifty-four million, three hundred fourteen thousand, four hundred nine".