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145945618927 is a prime number
BaseRepresentation
bin1000011111101100001…
…0010110100111101111
3111221201012102121121121
42013323002112213233
54342344034301202
6151014013041411
713354445202163
oct2077302264757
9457635377547
10145945618927
1156993551699
1224350a86267
13109bb5ca4c4
1470c7122ca3
153be2bb6537
hex21fb0969ef

145945618927 has 2 divisors, whose sum is σ = 145945618928. Its totient is φ = 145945618926.

The previous prime is 145945618913. The next prime is 145945618967. The reversal of 145945618927 is 729816549541.

It is a weak prime.

It is an emirp because it is prime and its reverse (729816549541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145945618927 - 223 = 145937230319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145945618967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72972809463 + 72972809464.

It is an arithmetic number, because the mean of its divisors is an integer number (72972809464).

Almost surely, 2145945618927 is an apocalyptic number.

145945618927 is a deficient number, since it is larger than the sum of its proper divisors (1).

145945618927 is an equidigital number, since it uses as much as digits as its factorization.

145945618927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 61.

The spelling of 145945618927 in words is "one hundred forty-five billion, nine hundred forty-five million, six hundred eighteen thousand, nine hundred twenty-seven".