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144222044 = 22311163081
BaseRepresentation
bin10001001100010…
…10011101011100
3101001101020110012
420212022131130
5243410101134
622151102352
73400603301
oct1046123534
9331336405
10144222044
117445617a
12403719b8
1323b57cb5
14152230a8
15c9dc6ce
hex898a75c

144222044 has 12 divisors (see below), whose sum is σ = 260530368. Its totient is φ = 69784800.

The previous prime is 144222037. The next prime is 144222047. The reversal of 144222044 is 440222441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144222047) by changing a digit.

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, 581417 + ... + 581664.

It is an arithmetic number, because the mean of its divisors is an integer number (21710864).

Almost surely, 2144222044 is an apocalyptic number.

It is an amenable number.

144222044 is a deficient number, since it is larger than the sum of its proper divisors (116308324).

144222044 is a wasteful number, since it uses less digits than its factorization.

144222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163116 (or 1163114 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 144222044 is about 12009.2482695629. The cubic root of 144222044 is about 524.4175478495.

Adding to 144222044 its reverse (440222441), we get a palindrome (584444485).

The spelling of 144222044 in words is "one hundred forty-four million, two hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 31 62 124 1163081 2326162 4652324 36055511 72111022 144222044