144431103 has 16 divisors (see below), whose sum is σ = 206038400. Its totient is φ = 89722080.

The previous prime is 144431101. The next prime is 144431113. The reversal of 144431103 is 301134441.

It is not a de Polignac number, because 144431103 - 2¹ = 144431101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144431103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144431101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17293 + ... + 24246.

It is an arithmetic number, because the mean of its divisors is an integer number (12877400).

Almost surely, 2^144431103 is an apocalyptic number.

144431103 is a deficient number, since it is larger than the sum of its proper divisors (61607297).

144431103 is a wasteful number, since it uses less digits than its factorization.

144431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144431103 is about 12017.9492010908. The cubic root of 144431103 is about 524.6708176775.

Adding to 144431103 its reverse (301134441), we get a palindrome (445565544).

The spelling of 144431103 in words is "one hundred forty-four million, four hundred thirty-one thousand, one hundred three".