2145143103403 has 2 divisors, whose sum is σ = 2145143103404. Its totient is φ = 2145143103402.

The previous prime is 2145143103401. The next prime is 2145143103407. The reversal of 2145143103403 is 3043013415412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145143103403 - 2¹ = 2145143103401 is a prime.

Together with 2145143103401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2145143103401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072571551701 + 1072571551702.

It is an arithmetic number, because the mean of its divisors is an integer number (1072571551702).

Almost surely, 2^{2145143103403} is an apocalyptic number.

2145143103403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145143103403 is an equidigital number, since it uses as much as digits as its factorization.

2145143103403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2145143103403 its reverse (3043013415412), we get a palindrome (5188156518815).

The spelling of 2145143103403 in words is "two trillion, one hundred forty-five billion, one hundred forty-three million, one hundred three thousand, four hundred three".