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145389067 is a prime number
BaseRepresentation
bin10001010101001…
…11011000001011
3101010120112022021
420222213120023
5244204422232
622232105311
73413533555
oct1052473013
9333515267
10145389067
1175082a5a
1240835237
1324176245
14154484d5
15cb6d397
hex8aa760b

145389067 has 2 divisors, whose sum is σ = 145389068. Its totient is φ = 145389066.

The previous prime is 145389037. The next prime is 145389073. The reversal of 145389067 is 760983541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145389067 - 227 = 11171339 is a prime.

It is a super-2 number, since 2×1453890672 = 42275961606260978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145389037) 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, 72694533 + 72694534.

It is an arithmetic number, because the mean of its divisors is an integer number (72694534).

Almost surely, 2145389067 is an apocalyptic number.

145389067 is a deficient number, since it is larger than the sum of its proper divisors (1).

145389067 is an equidigital number, since it uses as much as digits as its factorization.

145389067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 145389067 is about 12057.7388842187. The cubic root of 145389067 is about 525.8282521292.

The spelling of 145389067 in words is "one hundred forty-five million, three hundred eighty-nine thousand, sixty-seven".