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144630523 is a prime number
BaseRepresentation
bin10001001111011…
…10001011111011
3101002010222210001
420213232023323
5244011134043
622203533431
73404224222
oct1047561373
9332128701
10144630523
1174705064
124052a277
1323c6bbbb
14152cbcb9
15ca6d74d
hex89ee2fb

144630523 has 2 divisors, whose sum is σ = 144630524. Its totient is φ = 144630522.

The previous prime is 144630503. The next prime is 144630547. The reversal of 144630523 is 325036441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144630523 - 25 = 144630491 is a prime.

It is a super-3 number, since 3×1446305233 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144630491 and 144630500.

It is not a weakly prime, because it can be changed into another prime (144630503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72315261 + 72315262.

It is an arithmetic number, because the mean of its divisors is an integer number (72315262).

Almost surely, 2144630523 is an apocalyptic number.

144630523 is a deficient number, since it is larger than the sum of its proper divisors (1).

144630523 is an equidigital number, since it uses as much as digits as its factorization.

144630523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 144630523 is about 12026.2430958301. The cubic root of 144630523 is about 524.9121824392.

Adding to 144630523 its reverse (325036441), we get a palindrome (469666964).

The spelling of 144630523 in words is "one hundred forty-four million, six hundred thirty thousand, five hundred twenty-three".