45438354 has 64 divisors (see below), whose sum is σ = 109670400. Its totient is φ = 13944528.

The previous prime is 45438353. The next prime is 45438383. The reversal of 45438354 is 45383454.

45438354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45438353) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 118447 + ... + 118829.

It is an arithmetic number, because the mean of its divisors is an integer number (1713600).

Almost surely, 2^45438354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45438354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54835200).

45438354 is an abundant number, since it is smaller than the sum of its proper divisors (64232046).

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

45438354 is a wasteful number, since it uses less digits than its factorization.

45438354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 401 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 45438354 is about 6740.7977272723. The cubic root of 45438354 is about 356.8405473921.

The spelling of 45438354 in words is "forty-five million, four hundred thirty-eight thousand, three hundred fifty-four".