144434401 has 4 divisors (see below), whose sum is σ = 144459952. Its totient is φ = 144408852.

The previous prime is 144434387. The next prime is 144434429. The reversal of 144434401 is 104434441.

It is a happy number.

144434401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144434401 - 2⁹ = 144433889 is a prime.

It is a super-2 number, since 2×144434401² = 41722592384457602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144434441) 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, 111 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (36114988).

Almost surely, 2^144434401 is an apocalyptic number.

It is an amenable number.

144434401 is a deficient number, since it is larger than the sum of its proper divisors (25551).

144434401 is an equidigital number, since it uses as much as digits as its factorization.

144434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25550.

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

The square root of 144434401 is about 12018.0864117379. The cubic root of 144434401 is about 524.6748111645.

Adding to 144434401 its reverse (104434441), we get a palindrome (248868842).

The spelling of 144434401 in words is "one hundred forty-four million, four hundred thirty-four thousand, four hundred one".