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144475226 = 272412877
BaseRepresentation
bin10001001110010…
…00010001011010
3101001212002202022
420213020101122
5243441201401
622200334442
73403006400
oct1047102132
9331762668
10144475226
1174609415
1240474422
1323c162cc
141528b470
15ca3c71b
hex89c845a

144475226 has 36 divisors (see below), whose sum is σ = 258687774. Its totient is φ = 60338880.

The previous prime is 144475223. The next prime is 144475229. The reversal of 144475226 is 622574441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144475223) and next prime (144475229).

It can be written as a sum of positive squares in 3 ways, for example, as 74736025 + 69739201 = 8645^2 + 8351^2 .

It is not an unprimeable number, because it can be changed into a prime (144475223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 164300 + ... + 165176.

Almost surely, 2144475226 is an apocalyptic number.

144475226 is a deficient number, since it is larger than the sum of its proper divisors (114212548).

144475226 is an equidigital number, since it uses as much as digits as its factorization.

144475226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 927 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 144475226 is about 12019.7847734475. The cubic root of 144475226 is about 524.7242403660.

The spelling of 144475226 in words is "one hundred forty-four million, four hundred seventy-five thousand, two hundred twenty-six".

Divisors: 1 2 7 14 41 49 82 98 287 574 877 1681 1754 2009 3362 4018 6139 11767 12278 23534 35957 42973 71914 82369 85946 164738 251699 503398 1474237 1761893 2948474 3523786 10319659 20639318 72237613 144475226