144431044 has 6 divisors (see below), whose sum is σ = 252754334. Its totient is φ = 72215520.

The previous prime is 144431041. The next prime is 144431057. The reversal of 144431044 is 440134441.

It is a happy number.

144431044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 56821444 = 9360^2 + 7538^2 .

It is not an unprimeable number, because it can be changed into a prime (144431041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18053877 + ... + 18053884.

Almost surely, 2^144431044 is an apocalyptic number.

It is an amenable number.

144431044 is a deficient number, since it is larger than the sum of its proper divisors (108323290).

144431044 is a wasteful number, since it uses less digits than its factorization.

144431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36107765 (or 36107763 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144431044 is about 12017.9467464289. The cubic root of 144431044 is about 524.6707462350.

Adding to 144431044 its reverse (440134441), we get a palindrome (584565485).

The spelling of 144431044 in words is "one hundred forty-four million, four hundred thirty-one thousand, forty-four".