45032432 has 40 divisors (see below), whose sum is σ = 94108560. Its totient is φ = 20805120.

The previous prime is 45032431. The next prime is 45032437. The reversal of 45032432 is 23423054.

It is a junction number, because it is equal to n+sod(n) for n = 45032398 and 45032407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45032431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10658 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (2352714).

Almost surely, 2^45032432 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 45032432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47054280).

45032432 is an abundant number, since it is smaller than the sum of its proper divisors (49076128).

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

45032432 is a wasteful number, since it uses less digits than its factorization.

45032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 45032432 is about 6710.6208356604. The cubic root of 45032432 is about 355.7747596799.

Adding to 45032432 its reverse (23423054), we get a palindrome (68455486).

The spelling of 45032432 in words is "forty-five million, thirty-two thousand, four hundred thirty-two".