45545434237 has 2 divisors, whose sum is σ = 45545434238. Its totient is φ = 45545434236.

The previous prime is 45545434189. The next prime is 45545434241. The reversal of 45545434237 is 73243454554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42934326436 + 2611107801 = 207206^2 + 51099^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545434237 - 2¹¹ = 45545432189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45545434637) 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, 22772717118 + 22772717119.

It is an arithmetic number, because the mean of its divisors is an integer number (22772717119).

Almost surely, 2^45545434237 is an apocalyptic number.

It is an amenable number.

45545434237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545434237 is an equidigital number, since it uses as much as digits as its factorization.

45545434237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 46.

The spelling of 45545434237 in words is "forty-five billion, five hundred forty-five million, four hundred thirty-four thousand, two hundred thirty-seven".