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145165680241 is a prime number
BaseRepresentation
bin1000011100110010001…
…1000111111001110001
3111212200211211121212121
42013030203013321301
54334244403231431
6150404352154241
713326224631361
oct2071443077161
9455624747777
10145165680241
115662327316a
1224173838981
13108c5b4c91a
1470516da9a1
153b994a3611
hex21cc8c7e71

145165680241 has 2 divisors, whose sum is σ = 145165680242. Its totient is φ = 145165680240.

The previous prime is 145165680229. The next prime is 145165680301. The reversal of 145165680241 is 142086561541.

145165680241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83711270241 + 61454410000 = 289329^2 + 247900^2 .

It is a cyclic number.

It is not a de Polignac number, because 145165680241 - 27 = 145165680113 is a prime.

It is not a weakly prime, because it can be changed into another prime (145165680211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72582840120 + 72582840121.

It is an arithmetic number, because the mean of its divisors is an integer number (72582840121).

Almost surely, 2145165680241 is an apocalyptic number.

It is an amenable number.

145165680241 is a deficient number, since it is larger than the sum of its proper divisors (1).

145165680241 is an equidigital number, since it uses as much as digits as its factorization.

145165680241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 145165680241 in words is "one hundred forty-five billion, one hundred sixty-five million, six hundred eighty thousand, two hundred forty-one".