45539238 has 32 divisors (see below), whose sum is σ = 96445440. Its totient is φ = 14294880.

The previous prime is 45539237. The next prime is 45539261. The reversal of 45539238 is 83293554.

It is a junction number, because it is equal to n+sod(n) for n = 45539196 and 45539205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45539231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19531 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^45539238 is an apocalyptic number.

45539238 is an abundant number, since it is smaller than the sum of its proper divisors (50906202).

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

45539238 is a wasteful number, since it uses less digits than its factorization.

45539238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its digits is 129600, while the sum is 39.

The square root of 45539238 is about 6748.2766688985. The cubic root of 45539238 is about 357.1044426035.

It can be divided in two parts, 455 and 39238, that added together give a palindrome (39693).

The spelling of 45539238 in words is "forty-five million, five hundred thirty-nine thousand, two hundred thirty-eight".