2045545480 has 64 divisors (see below), whose sum is σ = 5239209600. Its totient is φ = 711490560.

The previous prime is 2045545471. The next prime is 2045545507. The reversal of 2045545480 is 845455402.

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, 90945 + ... + 111184.

It is an arithmetic number, because the mean of its divisors is an integer number (81862650).

Almost surely, 2^2045545480 is an apocalyptic number.

2045545480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045545480 is an abundant number, since it is smaller than the sum of its proper divisors (3193664120).

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

2045545480 is a wasteful number, since it uses less digits than its factorization.

2045545480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202174 (or 202170 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The square root of 2045545480 is about 45227.7069947173. The cubic root of 2045545480 is about 1269.4133070385.

The spelling of 2045545480 in words is "two billion, forty-five million, five hundred forty-five thousand, four hundred eighty".