45556238 has 32 divisors (see below), whose sum is σ = 87768576. Its totient is φ = 17237088.

The previous prime is 45556237. The next prime is 45556241. The reversal of 45556238 is 83265554.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45556237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (2742768).

Almost surely, 2^45556238 is an apocalyptic number.

45556238 is a deficient number, since it is larger than the sum of its proper divisors (42212338).

45556238 is a wasteful number, since it uses less digits than its factorization.

45556238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928.

The product of its digits is 144000, while the sum is 38.

The square root of 45556238 is about 6749.5361322094. The cubic root of 45556238 is about 357.1488733006.

The spelling of 45556238 in words is "forty-five million, five hundred fifty-six thousand, two hundred thirty-eight".