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144243 = 32113147
BaseRepresentation
bin100011001101110011
321022212100
4203031303
514103433
63031443
71140351
oct431563
9238770
10144243
1199410
126b583
1350868
143a7d1
152cb13
hex23373

144243 has 24 divisors (see below), whose sum is σ = 239616. Its totient is φ = 82800.

The previous prime is 144241. The next prime is 144247. The reversal of 144243 is 342441.

It is not a de Polignac number, because 144243 - 21 = 144241 is a prime.

144243 is a modest number, since divided by 243 gives 144 as remainder.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3046 + ... + 3092.

It is an arithmetic number, because the mean of its divisors is an integer number (9984).

2144243 is an apocalyptic number.

144243 is a deficient number, since it is larger than the sum of its proper divisors (95373).

144243 is a wasteful number, since it uses less digits than its factorization.

144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 92 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 144243 is about 379.7933648710. The cubic root of 144243 is about 52.4442946560. Note that the first 3 decimals are identical.

Adding to 144243 its reverse (342441), we get a palindrome (486684).

It can be divided in two parts, 1442 and 43, that added together give a triangular number (1485 = T54).

The spelling of 144243 in words is "one hundred forty-four thousand, two hundred forty-three", and thus it is an iban number.

Divisors: 1 3 9 11 31 33 47 93 99 141 279 341 423 517 1023 1457 1551 3069 4371 4653 13113 16027 48081 144243