144445432 has 8 divisors (see below), whose sum is σ = 270835200. Its totient is φ = 72222712.

The previous prime is 144445403. The next prime is 144445459. The reversal of 144445432 is 234544441.

144445432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144445394 and 144445403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9027832 + ... + 9027847.

It is an arithmetic number, because the mean of its divisors is an integer number (33854400).

Almost surely, 2^144445432 is an apocalyptic number.

It is an amenable number.

144445432 is a deficient number, since it is larger than the sum of its proper divisors (126389768).

144445432 is a wasteful number, since it uses less digits than its factorization.

144445432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055685 (or 18055681 counting only the distinct ones).

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

The square root of 144445432 is about 12018.5453362709. The cubic root of 144445432 is about 524.6881679559.

Adding to 144445432 its reverse (234544441), we get a palindrome (378989873).

Subtracting 144445432 from its reverse (234544441), we obtain a palindrome (90099009).

The spelling of 144445432 in words is "one hundred forty-four million, four hundred forty-five thousand, four hundred thirty-two".