2045430 has 24 divisors (see below), whose sum is σ = 5318352. Its totient is φ = 545424.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045430 is 345402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11274 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (221598).

2^2045430 is an apocalyptic number.

2045430 is an abundant number, since it is smaller than the sum of its proper divisors (3272922).

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

2045430 is a wasteful number, since it uses less digits than its factorization.

2045430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22740 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2045430 is about 1430.1853026793. The cubic root of 2045430 is about 126.9389418609.

The spelling of 2045430 in words is "two million, forty-five thousand, four hundred thirty".