4023045 has 54 divisors (see below), whose sum is σ = 7893522. Its totient is φ = 1894464.

The previous prime is 4023031. The next prime is 4023049. The reversal of 4023045 is 5403204.

It is a happy number.

4023045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19044 + 4004001 = 138^2 + 2001^2 .

It is not a de Polignac number, because 4023045 - 2⁶ = 4022981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 174904 + ... + 174926.

Almost surely, 2^4023045 is an apocalyptic number.

4023045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4023045 is a deficient number, since it is larger than the sum of its proper divisors (3870477).

4023045 is a wasteful number, since it uses less digits than its factorization.

4023045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 44 counting only the distinct ones).

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

The square root of 4023045 is about 2005.7529758173. The cubic root of 4023045 is about 159.0443687736.

Adding to 4023045 its reverse (5403204), we get a palindrome (9426249).

The spelling of 4023045 in words is "four million, twenty-three thousand, forty-five".