45545403193 has 2 divisors, whose sum is σ = 45545403194. Its totient is φ = 45545403192.

The previous prime is 45545403119. The next prime is 45545403217. The reversal of 45545403193 is 39130454554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38067131664 + 7478271529 = 195108^2 + 86477^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545403193 - 2²⁹ = 45008532281 is a prime.

It is not a weakly prime, because it can be changed into another prime (45545404193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772701596 + 22772701597.

It is an arithmetic number, because the mean of its divisors is an integer number (22772701597).

Almost surely, 2^45545403193 is an apocalyptic number.

It is an amenable number.

45545403193 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545403193 is an equidigital number, since it uses as much as digits as its factorization.

45545403193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 45545403193 in words is "forty-five billion, five hundred forty-five million, four hundred three thousand, one hundred ninety-three".