1105344143 has 4 divisors (see below), whose sum is σ = 1153402608. Its totient is φ = 1057285680.

The previous prime is 1105344113. The next prime is 1105344181. The reversal of 1105344143 is 3414435011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3414435011 = 13 ⋅262648847.

It is a cyclic number.

It is not a de Polignac number, because 1105344143 - 2¹⁴ = 1105327759 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 (1105344103) 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, 24029198 + ... + 24029243.

It is an arithmetic number, because the mean of its divisors is an integer number (288350652).

Almost surely, 2^1105344143 is an apocalyptic number.

1105344143 is a deficient number, since it is larger than the sum of its proper divisors (48058465).

1105344143 is an equidigital number, since it uses as much as digits as its factorization.

1105344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48058464.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1105344143 is about 33246.7162739420. The cubic root of 1105344143 is about 1033.9491284005.

Adding to 1105344143 its reverse (3414435011), we get a palindrome (4519779154).

The spelling of 1105344143 in words is "one billion, one hundred five million, three hundred forty-four thousand, one hundred forty-three".