45744438 has 32 divisors (see below), whose sum is σ = 98663040. Its totient is φ = 14091840.

The previous prime is 45744427. The next prime is 45744443. The reversal of 45744438 is 83444754.

It is a junction number, because it is equal to n+sod(n) for n = 45744396 and 45744405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 220 + ... + 9567.

It is an arithmetic number, because the mean of its divisors is an integer number (3083220).

Almost surely, 2^45744438 is an apocalyptic number.

45744438 is an abundant number, since it is smaller than the sum of its proper divisors (52918602).

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

45744438 is a wasteful number, since it uses less digits than its factorization.

45744438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9852.

The product of its digits is 215040, while the sum is 39.

The square root of 45744438 is about 6763.4634618663. The cubic root of 45744438 is about 357.6400103624.

The spelling of 45744438 in words is "forty-five million, seven hundred forty-four thousand, four hundred thirty-eight".