1403145125243 has 4 divisors (see below), whose sum is σ = 1403451292848. Its totient is φ = 1402838957640.

The previous prime is 1403145125219. The next prime is 1403145125279. The reversal of 1403145125243 is 3425215413041.

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 1403145125243 - 2²⁰ = 1403144076667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403145125443) 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, 153076928 + ... + 153086093.

It is an arithmetic number, because the mean of its divisors is an integer number (350862823212).

Almost surely, 2^{1403145125243} is an apocalyptic number.

1403145125243 is a deficient number, since it is larger than the sum of its proper divisors (306167605).

1403145125243 is an equidigital number, since it uses as much as digits as its factorization.

1403145125243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306167604.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 1403145125243 in words is "one trillion, four hundred three billion, one hundred forty-five million, one hundred twenty-five thousand, two hundred forty-three".