45924389 has 4 divisors (see below), whose sum is σ = 52485024. Its totient is φ = 39363756.

The previous prime is 45924379. The next prime is 45924449. The reversal of 45924389 is 98342954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98342954 = 2 ⋅49171477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45924389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45924379) 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 3 ways as a sum of consecutive naturals, for example, 3280307 + ... + 3280320.

It is an arithmetic number, because the mean of its divisors is an integer number (13121256).

Almost surely, 2^45924389 is an apocalyptic number.

It is an amenable number.

45924389 is a deficient number, since it is larger than the sum of its proper divisors (6560635).

45924389 is an equidigital number, since it uses as much as digits as its factorization.

45924389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560634.

The product of its digits is 311040, while the sum is 44.

The square root of 45924389 is about 6776.7535737992. The cubic root of 45924389 is about 358.1083621699.

The spelling of 45924389 in words is "forty-five million, nine hundred twenty-four thousand, three hundred eighty-nine".