144539113 has 4 divisors (see below), whose sum is σ = 145101780. Its totient is φ = 143976448.

The previous prime is 144539093. The next prime is 144539119. The reversal of 144539113 is 311935441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75116889 + 69422224 = 8667^2 + 8332^2 .

It is a cyclic number.

It is not a de Polignac number, because 144539113 - 2¹³ = 144530921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144539119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280948 + ... + 281461.

It is an arithmetic number, because the mean of its divisors is an integer number (36275445).

Almost surely, 2^144539113 is an apocalyptic number.

It is an amenable number.

144539113 is a deficient number, since it is larger than the sum of its proper divisors (562667).

144539113 is an equidigital number, since it uses as much as digits as its factorization.

144539113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562666.

The product of its digits is 6480, while the sum is 31.

The square root of 144539113 is about 12022.4420564210. The cubic root of 144539113 is about 524.8015733879.

The spelling of 144539113 in words is "one hundred forty-four million, five hundred thirty-nine thousand, one hundred thirteen".