45204405149 has 2 divisors, whose sum is σ = 45204405150. Its totient is φ = 45204405148.

The previous prime is 45204405143. The next prime is 45204405163. The reversal of 45204405149 is 94150440254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39727665124 + 5476740025 = 199318^2 + 74005^2 .

It is a cyclic number.

It is not a de Polignac number, because 45204405149 - 2⁸ = 45204404893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45204405143) 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, 22602202574 + 22602202575.

It is an arithmetic number, because the mean of its divisors is an integer number (22602202575).

Almost surely, 2^45204405149 is an apocalyptic number.

It is an amenable number.

45204405149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45204405149 is an equidigital number, since it uses as much as digits as its factorization.

45204405149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 45204405149 in words is "forty-five billion, two hundred four million, four hundred five thousand, one hundred forty-nine".