45000432 has 120 divisors (see below), whose sum is σ = 131926080. Its totient is φ = 14307840.

The previous prime is 45000419. The next prime is 45000451. The reversal of 45000432 is 23400054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412794 + ... + 412902.

It is an arithmetic number, because the mean of its divisors is an integer number (1099384).

Almost surely, 2^45000432 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 45000432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65963040).

45000432 is an abundant number, since it is smaller than the sum of its proper divisors (86925648).

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

45000432 is a wasteful number, since it uses less digits than its factorization.

45000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 45000432 is about 6708.2361318010. The cubic root of 45000432 is about 355.6904686512.

Adding to 45000432 its reverse (23400054), we get a palindrome (68400486).

The spelling of 45000432 in words is "forty-five million, four hundred thirty-two", and thus it is an aban number.