45356281 has 2 divisors, whose sum is σ = 45356282. Its totient is φ = 45356280.

The previous prime is 45356237. The next prime is 45356293. The reversal of 45356281 is 18265354.

45356281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31181056 + 14175225 = 5584^2 + 3765^2 .

It is a cyclic number.

It is not a de Polignac number, because 45356281 - 2⁹ = 45355769 is a prime.

It is a super-2 number, since 2×45356281² = 4114384452301922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45356231) 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, 22678140 + 22678141.

It is an arithmetic number, because the mean of its divisors is an integer number (22678141).

Almost surely, 2^45356281 is an apocalyptic number.

It is an amenable number.

45356281 is a deficient number, since it is larger than the sum of its proper divisors (1).

45356281 is an equidigital number, since it uses as much as digits as its factorization.

45356281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 45356281 is about 6734.7071948229. The cubic root of 45356281 is about 356.6255702302.

It can be divided in two parts, 4535 and 6281, that added together give a square (10816 = 104²).

The spelling of 45356281 in words is "forty-five million, three hundred fifty-six thousand, two hundred eighty-one".