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144952517 is a prime number
BaseRepresentation
bin10001010001111…
…00110011000101
3101002202100110202
420220330303011
5244101440032
622214500245
73410035043
oct1050746305
9332670422
10144952517
1174904a76
1240664685
1324052628
1415373393
15cad3d62
hex8a3ccc5

144952517 has 2 divisors, whose sum is σ = 144952518. Its totient is φ = 144952516.

The previous prime is 144952487. The next prime is 144952519. The reversal of 144952517 is 715259441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 60202081 = 9206^2 + 7759^2 .

It is a cyclic number.

It is not a de Polignac number, because 144952517 - 212 = 144948421 is a prime.

It is a super-2 number, since 2×1449525172 = 42022464369270578, which contains 22 as substring.

Together with 144952519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144952519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72476258 + 72476259.

It is an arithmetic number, because the mean of its divisors is an integer number (72476259).

Almost surely, 2144952517 is an apocalyptic number.

It is an amenable number.

144952517 is a deficient number, since it is larger than the sum of its proper divisors (1).

144952517 is an equidigital number, since it uses as much as digits as its factorization.

144952517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 144952517 is about 12039.6227930945. The cubic root of 144952517 is about 525.3014347556.

The spelling of 144952517 in words is "one hundred forty-four million, nine hundred fifty-two thousand, five hundred seventeen".