144536543 has 4 divisors (see below), whose sum is σ = 145099200. Its totient is φ = 143973888.

The previous prime is 144536537. The next prime is 144536573. The reversal of 144536543 is 345635441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345635441 = 19 ⋅18191339.

It is a cyclic number.

It is not a de Polignac number, because 144536543 - 2⁶ = 144536479 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 (144536503) 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, 280943 + ... + 281456.

It is an arithmetic number, because the mean of its divisors is an integer number (36274800).

Almost surely, 2^144536543 is an apocalyptic number.

144536543 is a deficient number, since it is larger than the sum of its proper divisors (562657).

144536543 is an equidigital number, since it uses as much as digits as its factorization.

144536543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562656.

The product of its digits is 86400, while the sum is 35.

The square root of 144536543 is about 12022.3351725029. The cubic root of 144536543 is about 524.7984629310.

The spelling of 144536543 in words is "one hundred forty-four million, five hundred thirty-six thousand, five hundred forty-three".