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144424277 is a prime number
BaseRepresentation
bin10001001101110…
…11110101010101
3101001202111212022
420212323311111
5243433034102
622155302525
73402405014
oct1046736525
9331674768
10144424277
1174584108
124044aa45
1323bc906a
1415276a7b
15ca2c5a2
hex89bbd55

144424277 has 2 divisors, whose sum is σ = 144424278. Its totient is φ = 144424276.

The previous prime is 144424261. The next prime is 144424289. The reversal of 144424277 is 772424441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 1406596 = 11959^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 144424277 - 24 = 144424261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144424297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72212138 + 72212139.

It is an arithmetic number, because the mean of its divisors is an integer number (72212139).

Almost surely, 2144424277 is an apocalyptic number.

It is an amenable number.

144424277 is a deficient number, since it is larger than the sum of its proper divisors (1).

144424277 is an equidigital number, since it uses as much as digits as its factorization.

144424277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 35.

The square root of 144424277 is about 12017.6652058543. The cubic root of 144424277 is about 524.6625520077.

The spelling of 144424277 in words is "one hundred forty-four million, four hundred twenty-four thousand, two hundred seventy-seven".