45255226691 has 2 divisors, whose sum is σ = 45255226692. Its totient is φ = 45255226690.

The previous prime is 45255226637. The next prime is 45255226733. The reversal of 45255226691 is 19662255254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45255226691 is a prime.

It is not a weakly prime, because it can be changed into another prime (45255220691) 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 as a sum of consecutive naturals, namely, 22627613345 + 22627613346.

It is an arithmetic number, because the mean of its divisors is an integer number (22627613346).

Almost surely, 2^45255226691 is an apocalyptic number.

45255226691 is a deficient number, since it is larger than the sum of its proper divisors (1).

45255226691 is an equidigital number, since it uses as much as digits as its factorization.

45255226691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 45255226691 in words is "forty-five billion, two hundred fifty-five million, two hundred twenty-six thousand, six hundred ninety-one".