144540563 has 4 divisors (see below), whose sum is σ = 144576168. Its totient is φ = 144504960.

The previous prime is 144540551. The next prime is 144540577. The reversal of 144540563 is 365045441.

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 144540563 - 2⁴ = 144540547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144540503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10793 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (36144042).

Almost surely, 2^144540563 is an apocalyptic number.

144540563 is a deficient number, since it is larger than the sum of its proper divisors (35605).

144540563 is an equidigital number, since it uses as much as digits as its factorization.

144540563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 144540563 is about 12022.5023601578. The cubic root of 144540563 is about 524.8033282987.

The spelling of 144540563 in words is "one hundred forty-four million, five hundred forty thousand, five hundred sixty-three".