144291103 has 4 divisors (see below), whose sum is σ = 157408488. Its totient is φ = 131173720.

The previous prime is 144291097. The next prime is 144291107. The reversal of 144291103 is 301192441.

It is a happy number.

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 144291103 - 2⁵ = 144291071 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 (144291107) 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, 6558676 + ... + 6558697.

It is an arithmetic number, because the mean of its divisors is an integer number (39352122).

Almost surely, 2^144291103 is an apocalyptic number.

144291103 is a deficient number, since it is larger than the sum of its proper divisors (13117385).

144291103 is a wasteful number, since it uses less digits than its factorization.

144291103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13117384.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 144291103 is about 12012.1231678667. The cubic root of 144291103 is about 524.5012381821.

The spelling of 144291103 in words is "one hundred forty-four million, two hundred ninety-one thousand, one hundred three".