45023421450149 has 2 divisors, whose sum is σ = 45023421450150. Its totient is φ = 45023421450148.

The previous prime is 45023421450017. The next prime is 45023421450179. The reversal of 45023421450149 is 94105412432054.

45023421450149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43875812749924 + 1147608700225 = 6623882^2 + 1071265^2 .

It is a cyclic number.

It is not a de Polignac number, because 45023421450149 - 2⁸ = 45023421449893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45023421450179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22511710725074 + 22511710725075.

It is an arithmetic number, because the mean of its divisors is an integer number (22511710725075).

Almost surely, 2^{45023421450149} is an apocalyptic number.

It is an amenable number.

45023421450149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45023421450149 is an equidigital number, since it uses as much as digits as its factorization.

45023421450149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 45023421450149 in words is "forty-five trillion, twenty-three billion, four hundred twenty-one million, four hundred fifty thousand, one hundred forty-nine".