144544432 has 40 divisors (see below), whose sum is σ = 285259520. Its totient is φ = 70943040.

The previous prime is 144544423. The next prime is 144544447. The reversal of 144544432 is 234445441.

It is a junction number, because it is equal to n+sod(n) for n = 144544394 and 144544403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228757 + ... + 229387.

It is an arithmetic number, because the mean of its divisors is an integer number (7131488).

Almost surely, 2^144544432 is an apocalyptic number.

It is an amenable number.

144544432 is a deficient number, since it is larger than the sum of its proper divisors (140715088).

144544432 is a wasteful number, since it uses less digits than its factorization.

144544432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 144544432 is about 12022.6632656829. The cubic root of 144544432 is about 524.8080108273.

Adding to 144544432 its reverse (234445441), we get a palindrome (378989873).

The spelling of 144544432 in words is "one hundred forty-four million, five hundred forty-four thousand, four hundred thirty-two".