2545452542645 has 16 divisors (see below), whose sum is σ = 3275974679040. Its totient is φ = 1892785362624.

The previous prime is 2545452542629. The next prime is 2545452542707. The reversal of 2545452542645 is 5462452545452.

It is a cyclic number.

It is not a de Polignac number, because 2545452542645 - 2⁴ = 2545452542629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252770789 + ... + 252780858.

It is an arithmetic number, because the mean of its divisors is an integer number (204748417440).

Almost surely, 2^{2545452542645} is an apocalyptic number.

It is an amenable number.

2545452542645 is a deficient number, since it is larger than the sum of its proper divisors (730522136395).

2545452542645 is a wasteful number, since it uses less digits than its factorization.

2545452542645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505551724.

The product of its digits is 38400000, while the sum is 53.

The spelling of 2545452542645 in words is "two trillion, five hundred forty-five billion, four hundred fifty-two million, five hundred forty-two thousand, six hundred forty-five".