144404032 has 14 divisors (see below), whose sum is σ = 286551878. Its totient is φ = 72201984.

The previous prime is 144404023. The next prime is 144404033. The reversal of 144404032 is 230404441.

It can be written as a sum of positive squares in only one way, i.e., 124902976 + 19501056 = 11176^2 + 4416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144403994 and 144404012.

It is not an unprimeable number, because it can be changed into a prime (144404033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128093 + ... + 1128220.

Almost surely, 2^144404032 is an apocalyptic number.

It is an amenable number.

144404032 is a deficient number, since it is larger than the sum of its proper divisors (142147846).

144404032 is an equidigital number, since it uses as much as digits as its factorization.

144404032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256325 (or 2256315 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144404032 is about 12016.8228746204. The cubic root of 144404032 is about 524.6380356084.

Adding to 144404032 its reverse (230404441), we get a palindrome (374808473).

The spelling of 144404032 in words is "one hundred forty-four million, four hundred four thousand, thirty-two".