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BaseRepresentation
bin100011010010011101
321100021101
4203102131
514111131
63033101
71141255
oct432235
9240241
10144541
1199661
126b791
1350a37
143a965
152cc61
hex2349d

144541 has 2 divisors, whose sum is σ = 144542. Its totient is φ = 144540.

The previous prime is 144539. The next prime is 144563. The reversal of 144541 is 145441.

144541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143641 + 900 = 379^2 + 30^2 .

It is an emirp because it is prime and its reverse (145441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144541 - 21 = 144539 is a prime.

Together with 144539, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72270 + 72271.

It is an arithmetic number, because the mean of its divisors is an integer number (72271).

2144541 is an apocalyptic number.

144541 is the 220-th hex number.

It is an amenable number.

144541 is a deficient number, since it is larger than the sum of its proper divisors (1).

144541 is an equidigital number, since it uses as much as digits as its factorization.

144541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 19.

The square root of 144541 is about 380.1854810484. The cubic root of 144541 is about 52.4803857190.

Adding to 144541 its reverse (145441), we get a palindrome (289982).

Subtracting 144541 from its reverse (145441), we obtain a square (900 = 302).

The spelling of 144541 in words is "one hundred forty-four thousand, five hundred forty-one".