2045445554103 has 32 divisors (see below), whose sum is σ = 3182629111296. Its totient is φ = 1144399891968.

The previous prime is 2045445554083. The next prime is 2045445554209. The reversal of 2045445554103 is 3014555445402.

It is not a de Polignac number, because 2045445554103 - 2²¹ = 2045443456951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045445554003) 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, 4659601 + ... + 5079642.

It is an arithmetic number, because the mean of its divisors is an integer number (99457159728).

Almost surely, 2^{2045445554103} is an apocalyptic number.

2045445554103 is a deficient number, since it is larger than the sum of its proper divisors (1137183557193).

2045445554103 is a wasteful number, since it uses less digits than its factorization.

2045445554103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739463.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 2045445554103 in words is "two trillion, forty-five billion, four hundred forty-five million, five hundred fifty-four thousand, one hundred three".