445212240149 has 2 divisors, whose sum is σ = 445212240150. Its totient is φ = 445212240148.

The previous prime is 445212240131. The next prime is 445212240199. The reversal of 445212240149 is 941042212544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403593384100 + 41618856049 = 635290^2 + 204007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445212240149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445212240199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222606120074 + 222606120075.

It is an arithmetic number, because the mean of its divisors is an integer number (222606120075).

Almost surely, 2^445212240149 is an apocalyptic number.

It is an amenable number.

445212240149 is a deficient number, since it is larger than the sum of its proper divisors (1).

445212240149 is an equidigital number, since it uses as much as digits as its factorization.

445212240149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 445212240149 in words is "four hundred forty-five billion, two hundred twelve million, two hundred forty thousand, one hundred forty-nine".