45385523 has 2 divisors, whose sum is σ = 45385524. Its totient is φ = 45385522.

The previous prime is 45385517. The next prime is 45385531. The reversal of 45385523 is 32558354.

45385523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45385523 - 2⁴ = 45385507 is a prime.

It is not a weakly prime, because it can be changed into another prime (45385553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22692761 + 22692762.

It is an arithmetic number, because the mean of its divisors is an integer number (22692762).

Almost surely, 2^45385523 is an apocalyptic number.

45385523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45385523 is an equidigital number, since it uses as much as digits as its factorization.

45385523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

The square root of 45385523 is about 6736.8778376931. The cubic root of 45385523 is about 356.7021947121.

The spelling of 45385523 in words is "forty-five million, three hundred eighty-five thousand, five hundred twenty-three".