2045107 has 4 divisors (see below), whose sum is σ = 2059960. Its totient is φ = 2030256.

The previous prime is 2045093. The next prime is 2045129. The reversal of 2045107 is 7015402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045107 - 2⁷ = 2044979 is a prime.

It is an Ulam number.

It is a Duffinian number.

2045107 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2045177) 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 3 ways as a sum of consecutive naturals, for example, 7218 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (514990).

2^2045107 is an apocalyptic number.

2045107 is a deficient number, since it is larger than the sum of its proper divisors (14853).

2045107 is a wasteful number, since it uses less digits than its factorization.

2045107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14852.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2045107 is about 1430.0723757908. The cubic root of 2045107 is about 126.9322597392.

The spelling of 2045107 in words is "two million, forty-five thousand, one hundred seven".