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144348973 is a prime number
BaseRepresentation
bin10001001101010…
…01011100101101
3101001121200120021
420212221130231
5243423131343
622153522141
73401642326
oct1046513455
9331550507
10144348973
117453257a
1240413351
1323ba09c2
141525744d
15ca150ed
hex89a972d

144348973 has 2 divisors, whose sum is σ = 144348974. Its totient is φ = 144348972.

The previous prime is 144348929. The next prime is 144348977. The reversal of 144348973 is 379843441.

144348973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 47582404 = 9837^2 + 6898^2 .

It is a cyclic number.

It is not a de Polignac number, because 144348973 - 29 = 144348461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144348977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72174486 + 72174487.

It is an arithmetic number, because the mean of its divisors is an integer number (72174487).

Almost surely, 2144348973 is an apocalyptic number.

It is an amenable number.

144348973 is a deficient number, since it is larger than the sum of its proper divisors (1).

144348973 is an equidigital number, since it uses as much as digits as its factorization.

144348973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 144348973 is about 12014.5317428521. The cubic root of 144348973 is about 524.5713483716.

The spelling of 144348973 in words is "one hundred forty-four million, three hundred forty-eight thousand, nine hundred seventy-three".