45135112025249 has 2 divisors, whose sum is σ = 45135112025250. Its totient is φ = 45135112025248.

The previous prime is 45135112025221. The next prime is 45135112025293. The reversal of 45135112025249 is 94252021153154.

It is an a-pointer prime, because the next prime (45135112025293) can be obtained adding 45135112025249 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43001593153600 + 2133518871649 = 6557560^2 + 1460657^2 .

It is a cyclic number.

It is not a de Polignac number, because 45135112025249 - 2²⁸ = 45134843589793 is a prime.

It is not a weakly prime, because it can be changed into another prime (45135112025449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567556012624 + 22567556012625.

It is an arithmetic number, because the mean of its divisors is an integer number (22567556012625).

Almost surely, 2^{45135112025249} is an apocalyptic number.

It is an amenable number.

45135112025249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45135112025249 is an equidigital number, since it uses as much as digits as its factorization.

45135112025249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 45135112025249 in words is "forty-five trillion, one hundred thirty-five billion, one hundred twelve million, twenty-five thousand, two hundred forty-nine".