45646432 has 48 divisors (see below), whose sum is σ = 97478640. Its totient is φ = 20915712.

The previous prime is 45646429. The next prime is 45646453. The reversal of 45646432 is 23464654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74158 + ... + 74770.

It is an arithmetic number, because the mean of its divisors is an integer number (2030805).

Almost surely, 2^45646432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45646432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48739320).

45646432 is an abundant number, since it is smaller than the sum of its proper divisors (51832208).

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

45646432 is a wasteful number, since it uses less digits than its factorization.

45646432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 807 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 45646432 is about 6756.2143246052. The cubic root of 45646432 is about 357.3844169685.

The spelling of 45646432 in words is "forty-five million, six hundred forty-six thousand, four hundred thirty-two".