45320043 has 4 divisors (see below), whose sum is σ = 60426728. Its totient is φ = 30213360.

The previous prime is 45320029. The next prime is 45320053. The reversal of 45320043 is 34002354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45320043 - 2¹⁰ = 45319019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45320003) 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, 7553338 + ... + 7553343.

It is an arithmetic number, because the mean of its divisors is an integer number (15106682).

Almost surely, 2^45320043 is an apocalyptic number.

45320043 is a deficient number, since it is larger than the sum of its proper divisors (15106685).

45320043 is a wasteful number, since it uses less digits than its factorization.

45320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106684.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45320043 is about 6732.0162655775. The cubic root of 45320043 is about 356.5305680208.

Adding to 45320043 its reverse (34002354), we get a palindrome (79322397).

The spelling of 45320043 in words is "forty-five million, three hundred twenty thousand, forty-three".