2045475000 has 144 divisors (see below), whose sum is σ = 6925103640. Its totient is φ = 545400000.

The previous prime is 2045474983. The next prime is 2045475011. The reversal of 2045475000 is 5745402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 220455 + ... + 229545.

Almost surely, 2^2045475000 is an apocalyptic number.

2045475000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3462551820).

2045475000 is an abundant number, since it is smaller than the sum of its proper divisors (4879628640).

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

2045475000 is an equidigital number, since it uses as much as digits as its factorization.

2045475000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9101 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2045475000 is about 45226.9278196076. The cubic root of 2045475000 is about 1269.3987275081.

The spelling of 2045475000 in words is "two billion, forty-five million, four hundred seventy-five thousand".