45626281 has 2 divisors, whose sum is σ = 45626282. Its totient is φ = 45626280.

The previous prime is 45626279. The next prime is 45626303. The reversal of 45626281 is 18262654.

45626281 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 can be written as a sum of positive squares in only one way, i.e., 35760400 + 9865881 = 5980^2 + 3141^2 .

It is a cyclic number.

It is not a de Polignac number, because 45626281 - 2¹ = 45626279 is a prime.

It is a super-2 number, since 2×45626281² = 4163515035781922, which contains 22 as substring.

Together with 45626279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45626221) 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, 22813140 + 22813141.

It is an arithmetic number, because the mean of its divisors is an integer number (22813141).

Almost surely, 2^45626281 is an apocalyptic number.

It is an amenable number.

45626281 is a deficient number, since it is larger than the sum of its proper divisors (1).

45626281 is an equidigital number, since it uses as much as digits as its factorization.

45626281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 45626281 is about 6754.7228662618. The cubic root of 45626281 is about 357.3318191124.

The spelling of 45626281 in words is "forty-five million, six hundred twenty-six thousand, two hundred eighty-one".