2045451454563 has 32 divisors (see below), whose sum is σ = 3031578835200. Its totient is φ = 1216180967040.

The previous prime is 2045451454531. The next prime is 2045451454567. The reversal of 2045451454563 is 3654541545402.

It is not a de Polignac number, because 2045451454563 - 2⁵ = 2045451454531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045451454567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26218788 + ... + 26296686.

It is an arithmetic number, because the mean of its divisors is an integer number (94736838600).

Almost surely, 2^{2045451454563} is an apocalyptic number.

2045451454563 is a deficient number, since it is larger than the sum of its proper divisors (986127380637).

2045451454563 is a wasteful number, since it uses less digits than its factorization.

2045451454563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 2045451454563 its reverse (3654541545402), we get a palindrome (5699992999965).

The spelling of 2045451454563 in words is "two trillion, forty-five billion, four hundred fifty-one million, four hundred fifty-four thousand, five hundred sixty-three".