45245238 has 8 divisors (see below), whose sum is σ = 90490488. Its totient is φ = 15081744.

The previous prime is 45245219. The next prime is 45245287. The reversal of 45245238 is 83254254.

45245238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

45245238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45245199 and 45245208.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3770431 + ... + 3770442.

It is an arithmetic number, because the mean of its divisors is an integer number (11311311).

Almost surely, 2^45245238 is an apocalyptic number.

45245238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45245238 is a wasteful number, since it uses less digits than its factorization.

45245238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540878.

The product of its digits is 38400, while the sum is 33.

The square root of 45245238 is about 6726.4580575515. The cubic root of 45245238 is about 356.3342975646.

The spelling of 45245238 in words is "forty-five million, two hundred forty-five thousand, two hundred thirty-eight".