45344838 has 64 divisors (see below), whose sum is σ = 114992640. Its totient is φ = 11577600.

The previous prime is 45344837. The next prime is 45344843. The reversal of 45344838 is 83844354.

It is a happy number.

45344838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45344796 and 45344805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45344837) 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, 27378 + ... + 28986.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^45344838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45344838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57496320).

45344838 is an abundant number, since it is smaller than the sum of its proper divisors (69647802).

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

45344838 is a wasteful number, since it uses less digits than its factorization.

45344838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 184320, while the sum is 39.

The square root of 45344838 is about 6733.8575868517. The cubic root of 45344838 is about 356.5955765186.

The spelling of 45344838 in words is "forty-five million, three hundred forty-four thousand, eight hundred thirty-eight".