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144455453069 is a prime number
BaseRepresentation
bin1000011010001000110…
…1110100100110001101
3111210212100102100100112
42012202031310212031
54331321043444234
6150210101405405
713302512043254
oct2064215644615
9453770370315
10144455453069
1156299378a64
1223bb5a09865
131081196c465
146dc525d79b
153b56e60ace
hex21a237498d

144455453069 has 2 divisors, whose sum is σ = 144455453070. Its totient is φ = 144455453068.

The previous prime is 144455453027. The next prime is 144455453089. The reversal of 144455453069 is 960354554441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98718498025 + 45736955044 = 314195^2 + 213862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144455453069 is a prime.

It is a super-2 number, since 2×1444554530692 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144455453089) 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, 72227726534 + 72227726535.

It is an arithmetic number, because the mean of its divisors is an integer number (72227726535).

Almost surely, 2144455453069 is an apocalyptic number.

It is an amenable number.

144455453069 is a deficient number, since it is larger than the sum of its proper divisors (1).

144455453069 is an equidigital number, since it uses as much as digits as its factorization.

144455453069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 144455453069 in words is "one hundred forty-four billion, four hundred fifty-five million, four hundred fifty-three thousand, sixty-nine".