144531103 has 4 divisors (see below), whose sum is σ = 150815088. Its totient is φ = 138247120.

The previous prime is 144531097. The next prime is 144531151. The reversal of 144531103 is 301135441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144531103 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 (144531173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3141958 + ... + 3142003.

It is an arithmetic number, because the mean of its divisors is an integer number (37703772).

Almost surely, 2^144531103 is an apocalyptic number.

144531103 is a deficient number, since it is larger than the sum of its proper divisors (6283985).

144531103 is an equidigital number, since it uses as much as digits as its factorization.

144531103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283984.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 144531103 is about 12022.1089248102. The cubic root of 144531103 is about 524.7918788073.

Adding to 144531103 its reverse (301135441), we get a palindrome (445666544).

The spelling of 144531103 in words is "one hundred forty-four million, five hundred thirty-one thousand, one hundred three".