144212543 has 4 divisors (see below), whose sum is σ = 144488808. Its totient is φ = 143936280.

The previous prime is 144212503. The next prime is 144212557. The reversal of 144212543 is 345212441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144212543 - 2¹⁶ = 144147007 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 (144212503) 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, 137348 + ... + 138393.

It is an arithmetic number, because the mean of its divisors is an integer number (36122202).

Almost surely, 2^144212543 is an apocalyptic number.

144212543 is a deficient number, since it is larger than the sum of its proper divisors (276265).

144212543 is an equidigital number, since it uses as much as digits as its factorization.

144212543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276264.

The product of its digits is 3840, while the sum is 26.

The square root of 144212543 is about 12008.8526929095. The cubic root of 144212543 is about 524.4060318094.

Adding to 144212543 its reverse (345212441), we get a palindrome (489424984).

The spelling of 144212543 in words is "one hundred forty-four million, two hundred twelve thousand, five hundred forty-three".