45443232 has 72 divisors (see below), whose sum is σ = 133709940. Its totient is φ = 14622720.

The previous prime is 45443197. The next prime is 45443243. The reversal of 45443232 is 23234454.

It can be written as a sum of positive squares in 2 ways, for example, as 44675856 + 767376 = 6684^2 + 876^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 45443196 and 45443205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5632 + ... + 11072.

Almost surely, 2^45443232 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 45443232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66854970).

45443232 is an abundant number, since it is smaller than the sum of its proper divisors (88266708).

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

45443232 is a wasteful number, since it uses less digits than its factorization.

45443232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 5475 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 45443232 is about 6741.1595441734. The cubic root of 45443232 is about 356.8533163839.

Adding to 45443232 its reverse (23234454), we get a palindrome (68677686).

It can be divided in two parts, 4544 and 3232, that added together give a 5-th power (7776 = 6⁵).

The spelling of 45443232 in words is "forty-five million, four hundred forty-three thousand, two hundred thirty-two".