2049145 has 16 divisors (see below), whose sum is σ = 2838528. Its totient is φ = 1391040.

The previous prime is 2049143. The next prime is 2049149. The reversal of 2049145 is 5419402.

It is not a de Polignac number, because 2049145 - 2¹ = 2049143 is a prime.

2049145 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (177408).

2^2049145 is an apocalyptic number.

It is an amenable number.

2049145 is a deficient number, since it is larger than the sum of its proper divisors (789383).

2049145 is a wasteful number, since it uses less digits than its factorization.

2049145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2049145 is about 1431.4834962374. The cubic root of 2049145 is about 127.0157460791.

The spelling of 2049145 in words is "two million, forty-nine thousand, one hundred forty-five".