45837238 has 4 divisors (see below), whose sum is σ = 68755860. Its totient is φ = 22918618.

The previous prime is 45837203. The next prime is 45837247. The reversal of 45837238 is 83273854.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45837238.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11459308 + ... + 11459311.

It is an arithmetic number, because the mean of its divisors is an integer number (17188965).

Almost surely, 2^45837238 is an apocalyptic number.

45837238 is a deficient number, since it is larger than the sum of its proper divisors (22918622).

45837238 is a wasteful number, since it uses less digits than its factorization.

45837238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22918621.

The product of its digits is 161280, while the sum is 40.

The square root of 45837238 is about 6770.3203764667. The cubic root of 45837238 is about 357.8816905651.

The spelling of 45837238 in words is "forty-five million, eight hundred thirty-seven thousand, two hundred thirty-eight".