45665238 has 8 divisors (see below), whose sum is σ = 91330488. Its totient is φ = 15221744.

The previous prime is 45665209. The next prime is 45665261. The reversal of 45665238 is 83256654.

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

45665238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45665196 and 45665205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805431 + ... + 3805442.

It is an arithmetic number, because the mean of its divisors is an integer number (11416311).

Almost surely, 2^45665238 is an apocalyptic number.

45665238 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.

45665238 is a wasteful number, since it uses less digits than its factorization.

45665238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610878.

The product of its digits is 172800, while the sum is 39.

The square root of 45665238 is about 6757.6059370165. The cubic root of 45665238 is about 357.4334901619.

The spelling of 45665238 in words is "forty-five million, six hundred sixty-five thousand, two hundred thirty-eight".