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144318 = 2367359
BaseRepresentation
bin100011001110111110
321022222010
4203032332
514104233
63032050
71140516
oct431676
9238863
10144318
1199479
126b626
13508c5
143a846
152cb63
hex233be

144318 has 16 divisors (see below), whose sum is σ = 293760. Its totient is φ = 47256.

The previous prime is 144311. The next prime is 144323. The reversal of 144318 is 813441.

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 144294 and 144303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144311) 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 7 ways as a sum of consecutive naturals, for example, 223 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2144318 is an apocalyptic number.

144318 is an abundant number, since it is smaller than the sum of its proper divisors (149442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144318 is a wasteful number, since it uses less digits than its factorization.

144318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 384, while the sum is 21.

The square root of 144318 is about 379.8920899413. The cubic root of 144318 is about 52.4533826547.

Adding to 144318 its reverse (813441), we get a palindrome (957759).

The spelling of 144318 in words is "one hundred forty-four thousand, three hundred eighteen".

Divisors: 1 2 3 6 67 134 201 359 402 718 1077 2154 24053 48106 72159 144318