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144213 = 353907
BaseRepresentation
bin100011001101010101
321022211020
4203031111
514103323
63031353
71140306
oct431525
9238736
10144213
1199393
126b559
1350844
152cae3
hex23355

144213 has 8 divisors (see below), whose sum is σ = 196128. Its totient is φ = 94224.

The previous prime is 144203. The next prime is 144223. The reversal of 144213 is 312441.

144213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144203) and next prime (144223).

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

It is a de Polignac number, because none of the positive numbers 2k-144213 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 144192 and 144201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144203) 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, 295 + ... + 612.

It is an arithmetic number, because the mean of its divisors is an integer number (24516).

2144213 is an apocalyptic number.

It is an amenable number.

144213 is a deficient number, since it is larger than the sum of its proper divisors (51915).

144213 is an equidigital number, since it uses as much as digits as its factorization.

144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

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

The square root of 144213 is about 379.7538676564. The cubic root of 144213 is about 52.4406585745.

Adding to 144213 its reverse (312441), we get a palindrome (456654).

The spelling of 144213 in words is "one hundred forty-four thousand, two hundred thirteen".

Divisors: 1 3 53 159 907 2721 48071 144213