2045049 has 8 divisors (see below), whose sum is σ = 2887200. Its totient is φ = 1283136.

The previous prime is 2045047. The next prime is 2045053. The reversal of 2045049 is 9405402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045049 - 2¹ = 2045047 is a prime.

2045049 is a modest number, since divided by 5049 gives 204 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2045047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19999 + ... + 20100.

It is an arithmetic number, because the mean of its divisors is an integer number (360900).

2^2045049 is an apocalyptic number.

It is an amenable number.

2045049 is a deficient number, since it is larger than the sum of its proper divisors (842151).

2045049 is a wasteful number, since it uses less digits than its factorization.

2045049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40119.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2045049 is about 1430.0520969531. The cubic root of 2045049 is about 126.9310597790.

It can be divided in two parts, 204 and 5049, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 2045049 in words is "two million, forty-five thousand, forty-nine".