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144345 = 359623
BaseRepresentation
bin100011001111011001
321100000010
4203033121
514104340
63032133
71140555
oct431731
9240003
10144345
11994a3
126b649
1350916
143a865
152cb80
hex233d9

144345 has 8 divisors (see below), whose sum is σ = 230976. Its totient is φ = 76976.

The previous prime is 144341. The next prime is 144349. The reversal of 144345 is 543441.

It is an interprime number because it is at equal distance from previous prime (144341) and next prime (144349).

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

It is a cyclic number.

It is not a de Polignac number, because 144345 - 22 = 144341 is a prime.

144345 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144345.

It is not an unprimeable number, because it can be changed into a prime (144341) 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, 4797 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (28872).

2144345 is an apocalyptic number.

144345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144345 is a deficient number, since it is larger than the sum of its proper divisors (86631).

144345 is an equidigital number, since it uses as much as digits as its factorization.

144345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9631.

The product of its digits is 960, while the sum is 21.

The square root of 144345 is about 379.9276246866. The cubic root of 144345 is about 52.4566535634.

Adding to 144345 its reverse (543441), we get a palindrome (687786).

The spelling of 144345 in words is "one hundred forty-four thousand, three hundred forty-five".

Divisors: 1 3 5 15 9623 28869 48115 144345