2045375000 has 56 divisors (see below), whose sum is σ = 4794079260. Its totient is φ = 818100000.

The previous prime is 2045374987. The next prime is 2045375039. The reversal of 2045375000 is 5735402.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 116819 + ... + 133181.

Almost surely, 2^2045375000 is an apocalyptic number.

2045375000 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 2045375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2397039630).

2045375000 is an abundant number, since it is smaller than the sum of its proper divisors (2748704260).

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

2045375000 is an frugal number, since it uses more digits than its factorization.

2045375000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399 (or 16370 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2045375000 is about 45225.8222700262. The cubic root of 2045375000 is about 1269.3780408801.

The spelling of 2045375000 in words is "two billion, forty-five million, three hundred seventy-five thousand".