45441443232 has 144 divisors (see below), whose sum is σ = 136011893472. Its totient is φ = 14920899840.

The previous prime is 45441443219. The next prime is 45441443249. The reversal of 45441443232 is 23234414454.

45441443232 is a `hidden beast` number, since 4 + 5 + 4 + 414 + 4 + 3 + 232 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 477382 + ... + 564602.

It is an arithmetic number, because the mean of its divisors is an integer number (944527038).

Almost surely, 2^45441443232 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 45441443232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68005946736).

45441443232 is an abundant number, since it is smaller than the sum of its proper divisors (90570450240).

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

45441443232 is an equidigital number, since it uses as much as digits as its factorization.

45441443232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87313 (or 87293 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 45441443232 its reverse (23234414454), we get a palindrome (68675857686).

The spelling of 45441443232 in words is "forty-five billion, four hundred forty-one million, four hundred forty-three thousand, two hundred thirty-two".