45555243533 has 2 divisors, whose sum is σ = 45555243534. Its totient is φ = 45555243532.

The previous prime is 45555243529. The next prime is 45555243557. The reversal of 45555243533 is 33534255554.

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., 45429512164 + 125731369 = 213142^2 + 11213^2 .

It is a cyclic number.

It is not a de Polignac number, because 45555243533 - 2² = 45555243529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45555443533) 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, 22777621766 + 22777621767.

It is an arithmetic number, because the mean of its divisors is an integer number (22777621767).

Almost surely, 2^45555243533 is an apocalyptic number.

It is an amenable number.

45555243533 is a deficient number, since it is larger than the sum of its proper divisors (1).

45555243533 is an equidigital number, since it uses as much as digits as its factorization.

45555243533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700000, while the sum is 44.

The spelling of 45555243533 in words is "forty-five billion, five hundred fifty-five million, two hundred forty-three thousand, five hundred thirty-three".