45131444032 has 28 divisors (see below), whose sum is σ = 89653001796. Its totient is φ = 22541711360.

The previous prime is 45131443999. The next prime is 45131444069. The reversal of 45131444032 is 23044413154.

It can be written as a sum of positive squares in 2 ways, for example, as 37937690176 + 7193753856 = 194776^2 + 84816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45131443985 and 45131444003.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 314473 + ... + 434920.

Almost surely, 2^45131444032 is an apocalyptic number.

It is an amenable number.

45131444032 is a deficient number, since it is larger than the sum of its proper divisors (44521557764).

45131444032 is an equidigital number, since it uses as much as digits as its factorization.

45131444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750346 (or 750336 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 45131444032 its reverse (23044413154), we get a palindrome (68175857186).

The spelling of 45131444032 in words is "forty-five billion, one hundred thirty-one million, four hundred forty-four thousand, thirty-two".