45505807 has 2 divisors, whose sum is σ = 45505808. Its totient is φ = 45505806.

The previous prime is 45505793. The next prime is 45505841. The reversal of 45505807 is 70850554.

It is an a-pointer prime, because the next prime (45505841) can be obtained adding 45505807 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45505807 - 2⁷ = 45505679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45505847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752903 + 22752904.

It is an arithmetic number, because the mean of its divisors is an integer number (22752904).

Almost surely, 2^45505807 is an apocalyptic number.

45505807 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505807 is an equidigital number, since it uses as much as digits as its factorization.

45505807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 45505807 is about 6745.7992113611. The cubic root of 45505807 is about 357.0170360671.

The spelling of 45505807 in words is "forty-five million, five hundred five thousand, eight hundred seven".