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144508244 = 22352710243
BaseRepresentation
bin10001001110100…
…00010101010100
3101001220210001012
420213100111110
5243443230434
622201151352
73403204556
oct1047202524
9331823035
10144508244
1174631201
124048b558
1323c2834a
14152994d6
15ca473ce
hex89d0554

144508244 has 12 divisors (see below), whose sum is σ = 252985824. Its totient is φ = 72226584.

The previous prime is 144508201. The next prime is 144508249. The reversal of 144508244 is 442805441.

It is a self number, because there is not a number n which added to its sum of digits gives 144508244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144508249) 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 3 ways as a sum of consecutive naturals, for example, 8987 + ... + 19229.

It is an arithmetic number, because the mean of its divisors is an integer number (21082152).

Almost surely, 2144508244 is an apocalyptic number.

It is an amenable number.

144508244 is a deficient number, since it is larger than the sum of its proper divisors (108477580).

144508244 is a wasteful number, since it uses less digits than its factorization.

144508244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774 (or 13772 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 144508244 is about 12021.1581804750. The cubic root of 144508244 is about 524.7642103682.

The spelling of 144508244 in words is "one hundred forty-four million, five hundred eight thousand, two hundred forty-four".

Divisors: 1 2 4 3527 7054 10243 14108 20486 40972 36127061 72254122 144508244