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144123226 = 2135543201
BaseRepresentation
bin10001001011100…
…10010101011010
3101001012012220021
420211302111122
5243343420401
622145021054
73400012222
oct1045622532
9331165807
10144123226
1174398a05
124032478a
1323b22020
14151d9082
15c9bd2a1
hex897255a

144123226 has 8 divisors (see below), whose sum is σ = 232814484. Its totient is φ = 66518400.

The previous prime is 144123169. The next prime is 144123233. The reversal of 144123226 is 622321441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144024001 + 99225 = 12001^2 + 315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144123226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771575 + ... + 2771626.

Almost surely, 2144123226 is an apocalyptic number.

144123226 is a deficient number, since it is larger than the sum of its proper divisors (88691258).

144123226 is a wasteful number, since it uses less digits than its factorization.

144123226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543216.

The product of its digits is 2304, while the sum is 25.

The square root of 144123226 is about 12005.1333187100. The cubic root of 144123226 is about 524.2977470847.

Adding to 144123226 its reverse (622321441), we get a palindrome (766444667).

The spelling of 144123226 in words is "one hundred forty-four million, one hundred twenty-three thousand, two hundred twenty-six".

Divisors: 1 2 13 26 5543201 11086402 72061613 144123226