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145368871 is a prime number
BaseRepresentation
bin10001010101000…
…10011100100111
3101010112111121021
420222202130213
5244203300441
622231432011
73413420644
oct1052423447
9333474537
10145368871
117506986a
1240825607
1324169cab
1415440dcb
15cb673d1
hex8aa2727

145368871 has 2 divisors, whose sum is σ = 145368872. Its totient is φ = 145368870.

The previous prime is 145368863. The next prime is 145368907. The reversal of 145368871 is 178863541.

It is a weak prime.

It is an emirp because it is prime and its reverse (178863541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145368871 - 23 = 145368863 is a prime.

It is a super-2 number, since 2×1453688712 = 42264217311629282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145362871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72684435 + 72684436.

It is an arithmetic number, because the mean of its divisors is an integer number (72684436).

Almost surely, 2145368871 is an apocalyptic number.

145368871 is a deficient number, since it is larger than the sum of its proper divisors (1).

145368871 is an equidigital number, since it uses as much as digits as its factorization.

145368871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 145368871 is about 12056.9013846842. The cubic root of 145368871 is about 525.8039033952.

The spelling of 145368871 in words is "one hundred forty-five million, three hundred sixty-eight thousand, eight hundred seventy-one".