1144432103 has 4 divisors (see below), whose sum is σ = 1152785760. Its totient is φ = 1136078448.

The previous prime is 1144432099. The next prime is 1144432109. The reversal of 1144432103 is 3012344411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144432103 - 2² = 1144432099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144432109) 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, 4176623 + ... + 4176896.

It is an arithmetic number, because the mean of its divisors is an integer number (288196440).

Almost surely, 2^1144432103 is an apocalyptic number.

1144432103 is a deficient number, since it is larger than the sum of its proper divisors (8353657).

1144432103 is an equidigital number, since it uses as much as digits as its factorization.

1144432103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353656.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1144432103 is about 33829.4561440175. The cubic root of 1144432103 is about 1045.9959684193.

Adding to 1144432103 its reverse (3012344411), we get a palindrome (4156776514).

The spelling of 1144432103 in words is "one billion, one hundred forty-four million, four hundred thirty-two thousand, one hundred three".