144431134441 has 4 divisors (see below), whose sum is σ = 157561237584. Its totient is φ = 131301031300.

The previous prime is 144431134417. The next prime is 144431134447.

144431134441 is nontrivially palindromic in base 10.

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 144431134441 - 2⁹ = 144431133929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144431134397 and 144431134406.

It is not an unprimeable number, because it can be changed into a prime (144431134447) 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, 6565051555 + ... + 6565051576.

It is an arithmetic number, because the mean of its divisors is an integer number (39390309396).

Almost surely, 2^144431134441 is an apocalyptic number.

144431134441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144431134441 is a deficient number, since it is larger than the sum of its proper divisors (13130103143).

144431134441 is a wasteful number, since it uses less digits than its factorization.

144431134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130103142.

The product of its digits is 36864, while the sum is 34.

It can be divided in two parts, 144431 and 134441, that added together give a palindrome (278872).

The spelling of 144431134441 in words is "one hundred forty-four billion, four hundred thirty-one million, one hundred thirty-four thousand, four hundred forty-one".