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145060613 is a prime number
BaseRepresentation
bin10001010010101…
…11001100000101
3101002221211202022
420221113030011
5244113414423
622221052525
73410665145
oct1051271405
9332854668
10145060613
1174979205
12406b7145
132408c8a9
14153a0925
15cb05dc8
hex8a57305

145060613 has 2 divisors, whose sum is σ = 145060614. Its totient is φ = 145060612.

The previous prime is 145060567. The next prime is 145060631. The reversal of 145060613 is 316060541.

Together with next prime (145060631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89453764 + 55606849 = 9458^2 + 7457^2 .

It is an emirp because it is prime and its reverse (316060541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145060613 - 212 = 145056517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145060693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72530306 + 72530307.

It is an arithmetic number, because the mean of its divisors is an integer number (72530307).

Almost surely, 2145060613 is an apocalyptic number.

It is an amenable number.

145060613 is a deficient number, since it is larger than the sum of its proper divisors (1).

145060613 is an equidigital number, since it uses as much as digits as its factorization.

145060613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 145060613 is about 12044.1111336620. Note that the first 4 decimals coincide. The cubic root of 145060613 is about 525.4319806656.

The spelling of 145060613 in words is "one hundred forty-five million, sixty thousand, six hundred thirteen".