45524142109 has 2 divisors, whose sum is σ = 45524142110. Its totient is φ = 45524142108.

The previous prime is 45524142091. The next prime is 45524142133. The reversal of 45524142109 is 90124142554.

Together with previous prime (45524142091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41370339609 + 4153802500 = 203397^2 + 64450^2 .

It is a cyclic number.

It is not a de Polignac number, because 45524142109 - 2⁷ = 45524141981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45524142179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762071054 + 22762071055.

It is an arithmetic number, because the mean of its divisors is an integer number (22762071055).

Almost surely, 2^45524142109 is an apocalyptic number.

It is an amenable number.

45524142109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45524142109 is an equidigital number, since it uses as much as digits as its factorization.

45524142109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 45524142109 in words is "forty-five billion, five hundred twenty-four million, one hundred forty-two thousand, one hundred nine".