45245643 has 8 divisors (see below), whose sum is σ = 60373056. Its totient is φ = 30141000.

The previous prime is 45245633. The next prime is 45245659. The reversal of 45245643 is 34654254.

45245643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45245643 - 2⁵ = 45245611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45245633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 9518.

It is an arithmetic number, because the mean of its divisors is an integer number (7546632).

Almost surely, 2^45245643 is an apocalyptic number.

45245643 is a deficient number, since it is larger than the sum of its proper divisors (15127413).

45245643 is a wasteful number, since it uses less digits than its factorization.

45245643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385.

The product of its digits is 57600, while the sum is 33.

The square root of 45245643 is about 6726.4881624812. The cubic root of 45245643 is about 356.3353607701.

Adding to 45245643 its reverse (34654254), we get a palindrome (79899897).

The spelling of 45245643 in words is "forty-five million, two hundred forty-five thousand, six hundred forty-three".