45123832 has 16 divisors (see below), whose sum is σ = 91115640. Its totient is φ = 20826336.

The previous prime is 45123809. The next prime is 45123853. The reversal of 45123832 is 23832154.

It is a self number, because there is not a number n which added to its sum of digits gives 45123832.

It is a congruent number.

It is an unprimeable number.

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, 216838 + ... + 217045.

Almost surely, 2^45123832 is an apocalyptic number.

It is an amenable number.

45123832 is an abundant number, since it is smaller than the sum of its proper divisors (45991808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45123832 is a wasteful number, since it uses less digits than its factorization.

45123832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433902 (or 433898 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 45123832 is about 6717.4274837917. The cubic root of 45123832 is about 356.0152962329.

Adding to 45123832 its reverse (23832154), we get a palindrome (68955986).

The spelling of 45123832 in words is "forty-five million, one hundred twenty-three thousand, eight hundred thirty-two".