45213643226 has 32 divisors (see below), whose sum is σ = 70673507856. Its totient is φ = 21675456000.

The previous prime is 45213643121. The next prime is 45213643291. The reversal of 45213643226 is 62234631254.

It is a Cunningham number, because it is equal to 212635²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 2178555625 + 43035087601 = 46675^2 + 207449^2 .

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 self number, because there is not a number n which added to its sum of digits gives 45213643226.

It is an unprimeable number.

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, 7264796 + ... + 7271016.

Almost surely, 2^45213643226 is an apocalyptic number.

45213643226 is a deficient number, since it is larger than the sum of its proper divisors (25459864630).

45213643226 is a wasteful number, since it uses less digits than its factorization.

45213643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778.

The product of its digits is 207360, while the sum is 38.

The spelling of 45213643226 in words is "forty-five billion, two hundred thirteen million, six hundred forty-three thousand, two hundred twenty-six".