45505849 has 2 divisors, whose sum is σ = 45505850. Its totient is φ = 45505848.

The previous prime is 45505847. The next prime is 45505871. The reversal of 45505849 is 94850554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 16345849 = 5400^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505849 - 2¹ = 45505847 is a prime.

Together with 45505847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45505841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752924 + 22752925.

It is an arithmetic number, because the mean of its divisors is an integer number (22752925).

Almost surely, 2^45505849 is an apocalyptic number.

It is an amenable number.

45505849 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505849 is an equidigital number, since it uses as much as digits as its factorization.

45505849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 45505849 is about 6745.8023244089. The cubic root of 45505849 is about 357.0171459045.

The spelling of 45505849 in words is "forty-five million, five hundred five thousand, eight hundred forty-nine".