2045254554 has 24 divisors (see below), whose sum is σ = 5064440160. Its totient is φ = 584358408.

The previous prime is 2045254531. The next prime is 2045254559. The reversal of 2045254554 is 4554525402.

2045254554 is a `hidden beast` number, since 2 + 0 + 4 + 52 + 54 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (2045254559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8115964 + ... + 8116215.

It is an arithmetic number, because the mean of its divisors is an integer number (211018340).

Almost surely, 2^2045254554 is an apocalyptic number.

2045254554 is an abundant number, since it is smaller than the sum of its proper divisors (3019185606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045254554 is a wasteful number, since it uses less digits than its factorization.

2045254554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16232194 (or 16232191 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 2045254554 is about 45224.4906438978. The cubic root of 2045254554 is about 1269.3531237689.

Adding to 2045254554 its reverse (4554525402), we get a palindrome (6599779956).

The spelling of 2045254554 in words is "two billion, forty-five million, two hundred fifty-four thousand, five hundred fifty-four".