2145052103445 has 12 divisors (see below), whose sum is σ = 3718090312716. Its totient is φ = 1144027788480.

The previous prime is 2145052103429. The next prime is 2145052103471. The reversal of 2145052103445 is 5443012505412.

2145052103445 is a `hidden beast` number, since 2 + 1 + 4 + 505 + 2 + 103 + 4 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 740386248849 + 1404665854596 = 860457^2 + 1185186^2 .

It is not a de Polignac number, because 2145052103445 - 2⁴ = 2145052103429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23833912216 + ... + 23833912305.

It is an arithmetic number, because the mean of its divisors is an integer number (309840859393).

Almost surely, 2^{2145052103445} is an apocalyptic number.

It is an amenable number.

2145052103445 is a deficient number, since it is larger than the sum of its proper divisors (1573038209271).

2145052103445 is a wasteful number, since it uses less digits than its factorization.

2145052103445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47667824532 (or 47667824529 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 2145052103445 its reverse (5443012505412), we get a palindrome (7588064608857).

The spelling of 2145052103445 in words is "two trillion, one hundred forty-five billion, fifty-two million, one hundred three thousand, four hundred forty-five".