6445142546103 has 40 divisors (see below), whose sum is σ = 10049663026656. Its totient is φ = 4108666161600.

The previous prime is 6445142545997. The next prime is 6445142546203. The reversal of 6445142546103 is 3016452415446.

6445142546103 is a `hidden beast` number, since 6 + 4 + 4 + 5 + 1 + 4 + 25 + 4 + 610 + 3 = 666.

It is not a de Polignac number, because 6445142546103 - 2¹⁴ = 6445142529719 is a prime.

It is a super-2 number, since 2×6445142546103² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445142546203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5463693 + ... + 6537753.

Almost surely, 2^{6445142546103} is an apocalyptic number.

6445142546103 is a deficient number, since it is larger than the sum of its proper divisors (3604520480553).

6445142546103 is a wasteful number, since it uses less digits than its factorization.

6445142546103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077317 (or 1077308 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 6445142546103 in words is "six trillion, four hundred forty-five billion, one hundred forty-two million, five hundred forty-six thousand, one hundred three".