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145163827 is a prime number
BaseRepresentation
bin10001010011100…
…00011000110011
3101010011002100001
420221300120303
5244130220302
622223210431
73411605104
oct1051603063
9333132301
10145163827
1174a39806
1240746a17
13240c7873
14153ca3ab
15cb26787
hex8a70633

145163827 has 2 divisors, whose sum is σ = 145163828. Its totient is φ = 145163826.

The previous prime is 145163803. The next prime is 145163869. The reversal of 145163827 is 728361541.

It is a weak prime.

It is an emirp because it is prime and its reverse (728361541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145163827 - 227 = 10946099 is a prime.

It is not a weakly prime, because it can be changed into another prime (145163027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72581913 + 72581914.

It is an arithmetic number, because the mean of its divisors is an integer number (72581914).

Almost surely, 2145163827 is an apocalyptic number.

145163827 is a deficient number, since it is larger than the sum of its proper divisors (1).

145163827 is an equidigital number, since it uses as much as digits as its factorization.

145163827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 145163827 is about 12048.3952043415. The cubic root of 145163827 is about 525.5565701458.

The spelling of 145163827 in words is "one hundred forty-five million, one hundred sixty-three thousand, eight hundred twenty-seven".