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144321 = 373659
BaseRepresentation
bin100011001111000001
321022222020
4203033001
514104241
63032053
71140522
oct431701
9238866
10144321
1199481
126b629
13508c8
143a849
152cb66
hex233c1

144321 has 8 divisors (see below), whose sum is σ = 195360. Its totient is φ = 94752.

The previous prime is 144311. The next prime is 144323. The reversal of 144321 is 123441.

Adding to 144321 its reverse (123441), we get a palindrome (267762).

It can be divided in two parts, 1443 and 21, that multiplied together give a palindrome (30303).

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

It is not a de Polignac number, because 144321 - 25 = 144289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144321.

It is not an unprimeable number, because it can be changed into a prime (144323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (24420).

2144321 is an apocalyptic number.

It is an amenable number.

144321 is a deficient number, since it is larger than the sum of its proper divisors (51039).

144321 is an equidigital number, since it uses as much as digits as its factorization.

144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735.

The product of its digits is 96, while the sum is 15.

The square root of 144321 is about 379.8960384105. The cubic root of 144321 is about 52.4537461091.

The spelling of 144321 in words is "one hundred forty-four thousand, three hundred twenty-one", and thus it is an iban number.

Divisors: 1 3 73 219 659 1977 48107 144321