45340432 has 10 divisors (see below), whose sum is σ = 87847118. Its totient is φ = 22670208.

The previous prime is 45340423. The next prime is 45340433. The reversal of 45340432 is 23404354.

45340432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42981136 + 2359296 = 6556^2 + 1536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45340397 and 45340406.

It is not an unprimeable number, because it can be changed into a prime (45340433) 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 as a sum of consecutive naturals, namely, 1416873 + ... + 1416904.

Almost surely, 2^45340432 is an apocalyptic number.

It is an amenable number.

45340432 is a deficient number, since it is larger than the sum of its proper divisors (42506686).

45340432 is a wasteful number, since it uses less digits than its factorization.

45340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833785 (or 2833779 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 45340432 is about 6733.5304261583. The cubic root of 45340432 is about 356.5840264277.

Adding to 45340432 its reverse (23404354), we get a palindrome (68744786).

The spelling of 45340432 in words is "forty-five million, three hundred forty thousand, four hundred thirty-two".