144543541 has 4 divisors (see below), whose sum is σ = 145077184. Its totient is φ = 144009900.

The previous prime is 144543527. The next prime is 144543563. The reversal of 144543541 is 145345441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144543541 - 2⁹ = 144543029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144543521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266415 + ... + 266956.

It is an arithmetic number, because the mean of its divisors is an integer number (36269296).

Almost surely, 2^144543541 is an apocalyptic number.

It is an amenable number.

144543541 is a deficient number, since it is larger than the sum of its proper divisors (533643).

144543541 is an equidigital number, since it uses as much as digits as its factorization.

144543541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533642.

The product of its digits is 19200, while the sum is 31.

The square root of 144543541 is about 12022.6262106081. The cubic root of 144543541 is about 524.8069324855.

Adding to 144543541 its reverse (145345441), we get a palindrome (289888982).

The spelling of 144543541 in words is "one hundred forty-four million, five hundred forty-three thousand, five hundred forty-one".