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145056618101 is a prime number
BaseRepresentation
bin1000011100011000001…
…1000101011001110101
3111212102020121200202002
42013012003011121311
54334033443234401
6150345454425045
713323431624063
oct2070603053165
9455366550662
10145056618101
115657775216a
1224143202185
13108a9385405
14704102b033
153b8eb0da6b
hex21c60c5675

145056618101 has 2 divisors, whose sum is σ = 145056618102. Its totient is φ = 145056618100.

The previous prime is 145056618061. The next prime is 145056618181. The reversal of 145056618101 is 101816650541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130411987876 + 14644630225 = 361126^2 + 121015^2 .

It is an emirp because it is prime and its reverse (101816650541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145056618101 - 230 = 143982876277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145056618181) 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, 72528309050 + 72528309051.

It is an arithmetic number, because the mean of its divisors is an integer number (72528309051).

Almost surely, 2145056618101 is an apocalyptic number.

It is an amenable number.

145056618101 is a deficient number, since it is larger than the sum of its proper divisors (1).

145056618101 is an equidigital number, since it uses as much as digits as its factorization.

145056618101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 145056618101 in words is "one hundred forty-five billion, fifty-six million, six hundred eighteen thousand, one hundred one".