45445432 has 8 divisors (see below), whose sum is σ = 85210200. Its totient is φ = 22722712.

The previous prime is 45445429. The next prime is 45445441. The reversal of 45445432 is 23454454.

45445432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 45445394 and 45445403.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2840332 + ... + 2840347.

It is an arithmetic number, because the mean of its divisors is an integer number (10651275).

Almost surely, 2^45445432 is an apocalyptic number.

It is an amenable number.

45445432 is a deficient number, since it is larger than the sum of its proper divisors (39764768).

45445432 is a wasteful number, since it uses less digits than its factorization.

45445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680685 (or 5680681 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 45445432 is about 6741.3227188735. The cubic root of 45445432 is about 356.8590749578.

Adding to 45445432 its reverse (23454454), we get a palindrome (68899886).

The spelling of 45445432 in words is "forty-five million, four hundred forty-five thousand, four hundred thirty-two".