45004043 has 4 divisors (see below), whose sum is σ = 51433200. Its totient is φ = 38574888.

The previous prime is 45004039. The next prime is 45004067. The reversal of 45004043 is 34040054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34040054 = 2 ⋅17020027.

It is a cyclic number.

It is not a de Polignac number, because 45004043 - 2² = 45004039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45004013) 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, 3214568 + ... + 3214581.

It is an arithmetic number, because the mean of its divisors is an integer number (12858300).

Almost surely, 2^45004043 is an apocalyptic number.

45004043 is a deficient number, since it is larger than the sum of its proper divisors (6429157).

45004043 is an equidigital number, since it uses as much as digits as its factorization.

45004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429156.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45004043 is about 6708.5052731588. The cubic root of 45004043 is about 355.6999823668.

Adding to 45004043 its reverse (34040054), we get a palindrome (79044097).

The spelling of 45004043 in words is "forty-five million, four thousand, forty-three".