45545919077 has 2 divisors, whose sum is σ = 45545919078. Its totient is φ = 45545919076.

The previous prime is 45545919049. The next prime is 45545919203. The reversal of 45545919077 is 77091954554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32989820161 + 12556098916 = 181631^2 + 112054^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545919077 - 2¹⁴ = 45545902693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45545919677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772959538 + 22772959539.

It is an arithmetic number, because the mean of its divisors is an integer number (22772959539).

Almost surely, 2^45545919077 is an apocalyptic number.

It is an amenable number.

45545919077 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545919077 is an equidigital number, since it uses as much as digits as its factorization.

45545919077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 45545919077 in words is "forty-five billion, five hundred forty-five million, nine hundred nineteen thousand, seventy-seven".