45443592 has 80 divisors (see below), whose sum is σ = 134019600. Its totient is φ = 14346720.

The previous prime is 45443557. The next prime is 45443599. The reversal of 45443592 is 29534454.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (45443599) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 10467 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (1675245).

Almost surely, 2^45443592 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 45443592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67009800).

45443592 is an abundant number, since it is smaller than the sum of its proper divisors (88576008).

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

45443592 is a wasteful number, since it uses less digits than its factorization.

45443592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3715 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 45443592 is about 6741.1862457582. The cubic root of 45443592 is about 356.8542587087.

The spelling of 45443592 in words is "forty-five million, four hundred forty-three thousand, five hundred ninety-two".