2045312 has 48 divisors (see below), whose sum is σ = 4442100. Its totient is φ = 935424.

The previous prime is 2045311. The next prime is 2045317. The reversal of 2045312 is 2135402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70514 + ... + 70542.

2^2045312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221050).

2045312 is an abundant number, since it is smaller than the sum of its proper divisors (2396788).

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

2045312 is an equidigital number, since it uses as much as digits as its factorization.

2045312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2045312 is about 1430.1440486888. The cubic root of 2045312 is about 126.9365007958.

The spelling of 2045312 in words is "two million, forty-five thousand, three hundred twelve".