2045310 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 537888.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045310 is 135402.

It is a super-2 number, since 2×2045310² = 8366585992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2045310.

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 15 ways as a sum of consecutive naturals, for example, 1939 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^2045310 is an apocalyptic number.

2045310 is an abundant number, since it is smaller than the sum of its proper divisors (2931330).

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

2045310 is a wasteful number, since it uses less digits than its factorization.

2045310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2045310 is about 1430.1433494584. The cubic root of 2045310 is about 126.9364594210.

The spelling of 2045310 in words is "two million, forty-five thousand, three hundred ten".