45205566 has 16 divisors (see below), whose sum is σ = 103327104. Its totient is φ = 12915864.

The previous prime is 45205561. The next prime is 45205583. The reversal of 45205566 is 66550254.

It is a happy number.

45205566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45205561) 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 in 7 ways as a sum of consecutive naturals, for example, 538120 + ... + 538203.

It is an arithmetic number, because the mean of its divisors is an integer number (6457944).

Almost surely, 2^45205566 is an apocalyptic number.

45205566 is an abundant number, since it is smaller than the sum of its proper divisors (58121538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45205566 is a wasteful number, since it uses less digits than its factorization.

45205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076335.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 45205566 is about 6723.5084591305. The cubic root of 45205566 is about 356.2301199125.

The spelling of 45205566 in words is "forty-five million, two hundred five thousand, five hundred sixty-six".