2000000045 has 4 divisors (see below), whose sum is σ = 2400000060. Its totient is φ = 1600000032.

The previous prime is 2000000033. The next prime is 2000000063. The reversal of 2000000045 is 5400000002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1599760009 + 400240036 = 39997^2 + 20006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000000045 - 2²⁸ = 1731564589 is a prime.

2000000045 is a modest number, since divided by 45 gives 20 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1999999972 and 2000000035.

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 3 ways as a sum of consecutive naturals, for example, 200000000 + ... + 200000009.

It is an arithmetic number, because the mean of its divisors is an integer number (600000015).

Almost surely, 2^2000000045 is an apocalyptic number.

It is an amenable number.

2000000045 is a deficient number, since it is larger than the sum of its proper divisors (400000015).

2000000045 is an equidigital number, since it uses as much as digits as its factorization.

2000000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400000014.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2000000045 is about 44721.3600531111. The cubic root of 2000000045 is about 1259.9210593443.

Adding to 2000000045 its reverse (5400000002), we get a palindrome (7400000047).

It can be divided in two parts, 20000000 and 45, that multiplied together give a square (900000000 = 30000²).

The spelling of 2000000045 in words is "two billion, forty-five", and thus it is an aban number and an uban number.