45244481 has 2 divisors, whose sum is σ = 45244482. Its totient is φ = 45244480.

The previous prime is 45244447. The next prime is 45244487. The reversal of 45244481 is 18444254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24850225 + 20394256 = 4985^2 + 4516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45244481 is a prime.

It is a super-2 number, since 2×45244481² = 4094126121918722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45244487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22622240 + 22622241.

It is an arithmetic number, because the mean of its divisors is an integer number (22622241).

Almost surely, 2^45244481 is an apocalyptic number.

It is an amenable number.

45244481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45244481 is an equidigital number, since it uses as much as digits as its factorization.

45244481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 32.

The square root of 45244481 is about 6726.4017869883. The cubic root of 45244481 is about 356.3323102721.

The spelling of 45244481 in words is "forty-five million, two hundred forty-four thousand, four hundred eighty-one".