45838239 has 16 divisors (see below), whose sum is σ = 65629440. Its totient is φ = 28353920.

The previous prime is 45838229. The next prime is 45838259. The reversal of 45838239 is 93283854.

It is a cyclic number.

It is not a de Polignac number, because 45838239 - 2¹¹ = 45836191 is a prime.

It is a super-2 number, since 2×45838239² = 4202288309242242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) 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 45838239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45838229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709 + ... + 9950.

It is an arithmetic number, because the mean of its divisors is an integer number (4101840).

Almost surely, 2^45838239 is an apocalyptic number.

45838239 is a deficient number, since it is larger than the sum of its proper divisors (19791201).

45838239 is a wasteful number, since it uses less digits than its factorization.

45838239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750.

The product of its digits is 207360, while the sum is 42.

The square root of 45838239 is about 6770.3943016637. The cubic root of 45838239 is about 357.8842957029.

The spelling of 45838239 in words is "forty-five million, eight hundred thirty-eight thousand, two hundred thirty-nine".