45563081 has 2 divisors, whose sum is σ = 45563082. Its totient is φ = 45563080.

The previous prime is 45563071. The next prime is 45563107. The reversal of 45563081 is 18036554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24255625 + 21307456 = 4925^2 + 4616^2 .

It is a cyclic number.

It is not a de Polignac number, because 45563081 - 2⁶ = 45563017 is a prime.

It is a super-2 number, since 2×45563081² = 4151988700425122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45563041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22781540 + 22781541.

It is an arithmetic number, because the mean of its divisors is an integer number (22781541).

Almost surely, 2^45563081 is an apocalyptic number.

It is an amenable number.

45563081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45563081 is an equidigital number, since it uses as much as digits as its factorization.

45563081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45563081 is about 6750.0430368998. The cubic root of 45563081 is about 357.1667548428.

It can be divided in two parts, 455 and 63081, that added together give a palindrome (63536).

The spelling of 45563081 in words is "forty-five million, five hundred sixty-three thousand, eighty-one".