45423443 has 8 divisors (see below), whose sum is σ = 48974688. Its totient is φ = 41880384.

The previous prime is 45423431. The next prime is 45423527. The reversal of 45423443 is 34432454.

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

It is not a de Polignac number, because 45423443 - 2⁶ = 45423379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45423743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14471 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (6121836).

Almost surely, 2^45423443 is an apocalyptic number.

45423443 is a deficient number, since it is larger than the sum of its proper divisors (3551245).

45423443 is a wasteful number, since it uses less digits than its factorization.

45423443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093.

The product of its digits is 23040, while the sum is 29.

The square root of 45423443 is about 6739.6916101555. The cubic root of 45423443 is about 356.8015096551.

Adding to 45423443 its reverse (34432454), we get a palindrome (79855897).

The spelling of 45423443 in words is "forty-five million, four hundred twenty-three thousand, four hundred forty-three".