144231543 has 16 divisors (see below), whose sum is σ = 215219200. Its totient is φ = 95460120.

The previous prime is 144231541. The next prime is 144231557. The reversal of 144231543 is 345132441.

It is a happy number.

144231543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144231543 - 2¹ = 144231541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15463 + ... + 22968.

It is an arithmetic number, because the mean of its divisors is an integer number (13451200).

Almost surely, 2^144231543 is an apocalyptic number.

144231543 is a deficient number, since it is larger than the sum of its proper divisors (70987657).

144231543 is a wasteful number, since it uses less digits than its factorization.

144231543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38579 (or 38573 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144231543 is about 12009.6437499203. The cubic root of 144231543 is about 524.4290609598.

Adding to 144231543 its reverse (345132441), we get a palindrome (489363984).

The spelling of 144231543 in words is "one hundred forty-four million, two hundred thirty-one thousand, five hundred forty-three".