45025125449 has 2 divisors, whose sum is σ = 45025125450. Its totient is φ = 45025125448.

The previous prime is 45025125443. The next prime is 45025125479. The reversal of 45025125449 is 94452152054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31993761424 + 13031364025 = 178868^2 + 114155^2 .

It is a cyclic number.

It is not a de Polignac number, because 45025125449 - 2¹² = 45025121353 is a prime.

It is not a weakly prime, because it can be changed into another prime (45025125443) 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, 22512562724 + 22512562725.

It is an arithmetic number, because the mean of its divisors is an integer number (22512562725).

Almost surely, 2^45025125449 is an apocalyptic number.

It is an amenable number.

45025125449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45025125449 is an equidigital number, since it uses as much as digits as its factorization.

45025125449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 45025125449 in words is "forty-five billion, twenty-five million, one hundred twenty-five thousand, four hundred forty-nine".