2045001300 has 72 divisors (see below), whose sum is σ = 6174146496. Its totient is φ = 521621760.

The previous prime is 2045001289. The next prime is 2045001311. The reversal of 2045001300 is 31005402.

It is an interprime number because it is at equal distance from previous prime (2045001289) and next prime (2045001311).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2045001300.

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 23 ways as a sum of consecutive naturals, for example, 141289 + ... + 155088.

Almost surely, 2^2045001300 is an apocalyptic number.

2045001300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045001300 is an abundant number, since it is smaller than the sum of its proper divisors (4129145196).

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

2045001300 is a wasteful number, since it uses less digits than its factorization.

2045001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296417 (or 296410 counting only the distinct ones).

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

The square root of 2045001300 is about 45221.6905920157. The cubic root of 2045001300 is about 1269.3007289826.

Adding to 2045001300 its reverse (31005402), we get a palindrome (2076006702).

The spelling of 2045001300 in words is "two billion, forty-five million, one thousand, three hundred".