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144108457 is a prime number
BaseRepresentation
bin10001001011011…
…10101110101001
3101001011110122021
420211232232221
5243342432312
622144424441
73366621163
oct1045565651
9331143567
10144108457
11743888a9
1240318121
1323b1839c
14151d3933
15c9b8c07
hex896eba9

144108457 has 2 divisors, whose sum is σ = 144108458. Its totient is φ = 144108456.

The previous prime is 144108443. The next prime is 144108467. The reversal of 144108457 is 754801441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104468841 + 39639616 = 10221^2 + 6296^2 .

It is an emirp because it is prime and its reverse (754801441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144108457 - 27 = 144108329 is a prime.

It is not a weakly prime, because it can be changed into another prime (144108427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72054228 + 72054229.

It is an arithmetic number, because the mean of its divisors is an integer number (72054229).

Almost surely, 2144108457 is an apocalyptic number.

It is an amenable number.

144108457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144108457 is an equidigital number, since it uses as much as digits as its factorization.

144108457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 144108457 is about 12004.5181910812. The cubic root of 144108457 is about 524.2798373691.

Adding to 144108457 its reverse (754801441), we get a palindrome (898909898).

The spelling of 144108457 in words is "one hundred forty-four million, one hundred eight thousand, four hundred fifty-seven".