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145030279 is a prime number
BaseRepresentation
bin10001010010011…
…11110010000111
3101002220022010211
420221033302013
5244111432104
622220300251
73410510542
oct1051176207
9332808124
10145030279
1174958439
12406a1687
132407bb44
1415393859
15caebe04
hex8a4fc87

145030279 has 2 divisors, whose sum is σ = 145030280. Its totient is φ = 145030278.

The previous prime is 145030273. The next prime is 145030331. The reversal of 145030279 is 972030541.

145030279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145030279 - 29 = 145029767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145030279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145030273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72515139 + 72515140.

It is an arithmetic number, because the mean of its divisors is an integer number (72515140).

Almost surely, 2145030279 is an apocalyptic number.

145030279 is a deficient number, since it is larger than the sum of its proper divisors (1).

145030279 is an equidigital number, since it uses as much as digits as its factorization.

145030279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 145030279 is about 12042.8517802056. The cubic root of 145030279 is about 525.3953532989.

The spelling of 145030279 in words is "one hundred forty-five million, thirty thousand, two hundred seventy-nine".