2045056 has 32 divisors (see below), whose sum is σ = 4391100. Its totient is φ = 943104.

The previous prime is 2045053. The next prime is 2045077. The reversal of 2045056 is 6505402.

It can be written as a sum of positive squares in 2 ways, for example, as 2005056 + 40000 = 1416^2 + 200^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2045053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050 + ... + 2278.

2^2045056 is an apocalyptic number.

2045056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195550).

2045056 is an abundant number, since it is smaller than the sum of its proper divisors (2346044).

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

2045056 is a wasteful number, since it uses less digits than its factorization.

2045056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2045056 is about 1430.0545444143. The cubic root of 2045056 is about 126.9312046030.

The spelling of 2045056 in words is "two million, forty-five thousand, fifty-six".