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144542344993 is a prime number
BaseRepresentation
bin1000011010011101100…
…1010010011100100001
3111211002101220220122221
42012213121102130201
54332010320014433
6150222444031041
713304615442424
oct2064731223441
9454071826587
10144542344993
1156333427172
122401ab32481
13108269737b7
146dd29db9bb
153b5e8c672d
hex21a7652721

144542344993 has 2 divisors, whose sum is σ = 144542344994. Its totient is φ = 144542344992.

The previous prime is 144542344967. The next prime is 144542345029. The reversal of 144542344993 is 399443245441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143926908129 + 615436864 = 379377^2 + 24808^2 .

It is a cyclic number.

It is not a de Polignac number, because 144542344993 - 29 = 144542344481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144542344993.

It is not a weakly prime, because it can be changed into another prime (144542344913) 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, 72271172496 + 72271172497.

It is an arithmetic number, because the mean of its divisors is an integer number (72271172497).

Almost surely, 2144542344993 is an apocalyptic number.

It is an amenable number.

144542344993 is a deficient number, since it is larger than the sum of its proper divisors (1).

144542344993 is an equidigital number, since it uses as much as digits as its factorization.

144542344993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 52.

The spelling of 144542344993 in words is "one hundred forty-four billion, five hundred forty-two million, three hundred forty-four thousand, nine hundred ninety-three".