144432039 has 4 divisors (see below), whose sum is σ = 192576056. Its totient is φ = 96288024.

The previous prime is 144432037. The next prime is 144432047. The reversal of 144432039 is 930234441.

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

It is not a de Polignac number, because 144432039 - 2¹ = 144432037 is a prime.

It is a super-2 number, since 2×144432039² = 41721227779395042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144431997 and 144432015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432037) 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, 24072004 + ... + 24072009.

It is an arithmetic number, because the mean of its divisors is an integer number (48144014).

Almost surely, 2^144432039 is an apocalyptic number.

144432039 is a deficient number, since it is larger than the sum of its proper divisors (48144017).

144432039 is an equidigital number, since it uses as much as digits as its factorization.

144432039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48144016.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 144432039 is about 12017.9881427800. The cubic root of 144432039 is about 524.6719510687.

The spelling of 144432039 in words is "one hundred forty-four million, four hundred thirty-two thousand, thirty-nine".