1345446243103 has 4 divisors (see below), whose sum is σ = 1388847734848. Its totient is φ = 1302044751360.

The previous prime is 1345446243091. The next prime is 1345446243109. The reversal of 1345446243103 is 3013426445431.

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 1345446243103 - 2³⁷ = 1208007289631 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 (1345446243109) 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, 21700745826 + ... + 21700745887.

It is an arithmetic number, because the mean of its divisors is an integer number (347211933712).

Almost surely, 2^{1345446243103} is an apocalyptic number.

1345446243103 is a deficient number, since it is larger than the sum of its proper divisors (43401491745).

1345446243103 is an equidigital number, since it uses as much as digits as its factorization.

1345446243103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43401491744.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 1345446243103 in words is "one trillion, three hundred forty-five billion, four hundred forty-six million, two hundred forty-three thousand, one hundred three".