144432404 has 12 divisors (see below), whose sum is σ = 255597300. Its totient is φ = 71404608.

The previous prime is 144432403. The next prime is 144432427. The reversal of 144432404 is 404234441.

It is a happy number.

144432404 is digitally balanced in base 2, 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 2 ways, for example, as 22108804 + 122323600 = 4702^2 + 11060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202499 + ... + 203210.

It is an arithmetic number, because the mean of its divisors is an integer number (21299775).

Almost surely, 2^144432404 is an apocalyptic number.

It is an amenable number.

144432404 is a deficient number, since it is larger than the sum of its proper divisors (111164896).

144432404 is a wasteful number, since it uses less digits than its factorization.

144432404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405802 (or 405800 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 144432404 is about 12018.0033283404. The cubic root of 144432404 is about 524.6723930415.

Adding to 144432404 its reverse (404234441), we get a palindrome (548666845).

The spelling of 144432404 in words is "one hundred forty-four million, four hundred thirty-two thousand, four hundred four".