2045013000 has 128 divisors (see below), whose sum is σ = 6470979840. Its totient is φ = 537600000.

The previous prime is 2045012947. The next prime is 2045013023. The reversal of 2045013000 is 3105402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208200 + ... + 217800.

It is an arithmetic number, because the mean of its divisors is an integer number (50554530).

Almost surely, 2^2045013000 is an apocalyptic number.

2045013000 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 2045013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3235489920).

2045013000 is an abundant number, since it is smaller than the sum of its proper divisors (4425966840).

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

2045013000 is a wasteful number, since it uses less digits than its factorization.

2045013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696 (or 9682 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2045013000 is about 45221.8199545308. The cubic root of 2045013000 is about 1269.3031496478.

Adding to 2045013000 its reverse (3105402), we get a palindrome (2048118402).

The spelling of 2045013000 in words is "two billion, forty-five million, thirteen thousand".