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145385349143 is a prime number
BaseRepresentation
bin1000011101100110100…
…1000110000000010111
3111220021011011221221212
42013121221012000113
54340222122133033
6150442240332035
713334533035446
oct2073151060027
9456234157855
10145385349143
115672626a711
122421531401b
131092c502718
14707295cd5d
153bad8e5748
hex21d9a46017

145385349143 has 2 divisors, whose sum is σ = 145385349144. Its totient is φ = 145385349142.

The previous prime is 145385349077. The next prime is 145385349149. The reversal of 145385349143 is 341943583541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145385349143 - 218 = 145385086999 is a prime.

It is a super-2 number, since 2×1453853491432 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145385349091 and 145385349100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145385349149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72692674571 + 72692674572.

It is an arithmetic number, because the mean of its divisors is an integer number (72692674572).

Almost surely, 2145385349143 is an apocalyptic number.

145385349143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145385349143 is an equidigital number, since it uses as much as digits as its factorization.

145385349143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 50.

The spelling of 145385349143 in words is "one hundred forty-five billion, three hundred eighty-five million, three hundred forty-nine thousand, one hundred forty-three".