45405432 has 48 divisors (see below), whose sum is σ = 123630000. Its totient is φ = 15054336.

The previous prime is 45405403. The next prime is 45405439. The reversal of 45405432 is 23450454.

It is a junction number, because it is equal to n+sod(n) for n = 45405396 and 45405405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12744 + ... + 15912.

It is an arithmetic number, because the mean of its divisors is an integer number (2575625).

Almost surely, 2^45405432 is an apocalyptic number.

It is an amenable number.

45405432 is an abundant number, since it is smaller than the sum of its proper divisors (78224568).

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

45405432 is a wasteful number, since it uses less digits than its factorization.

45405432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45405432 is about 6738.3552889411. The cubic root of 45405432 is about 356.7543445708.

Adding to 45405432 its reverse (23450454), we get a palindrome (68855886).

The spelling of 45405432 in words is "forty-five million, four hundred five thousand, four hundred thirty-two".