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145066223 is a prime number
BaseRepresentation
bin10001010010110…
…00100011101111
3101002222010110002
420221120203233
5244114104343
622221134515
73411020411
oct1051304357
9332863402
10145066223
1174982445
12406ba43b
1324092303
14153a29b1
15cb078b8
hex8a588ef

145066223 has 2 divisors, whose sum is σ = 145066224. Its totient is φ = 145066222.

The previous prime is 145066177. The next prime is 145066231. The reversal of 145066223 is 322660541.

145066223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145066223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145266223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72533111 + 72533112.

It is an arithmetic number, because the mean of its divisors is an integer number (72533112).

Almost surely, 2145066223 is an apocalyptic number.

145066223 is a deficient number, since it is larger than the sum of its proper divisors (1).

145066223 is an equidigital number, since it uses as much as digits as its factorization.

145066223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 145066223 is about 12044.3440253091. The cubic root of 145066223 is about 525.4387540076.

The spelling of 145066223 in words is "one hundred forty-five million, sixty-six thousand, two hundred twenty-three".