45581441 has 2 divisors, whose sum is σ = 45581442. Its totient is φ = 45581440.

The previous prime is 45581429. The next prime is 45581449. The reversal of 45581441 is 14418554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 409600 = 6721^2 + 640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45581441 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45581398 and 45581407.

It is not a weakly prime, because it can be changed into another prime (45581449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22790720 + 22790721.

It is an arithmetic number, because the mean of its divisors is an integer number (22790721).

Almost surely, 2^45581441 is an apocalyptic number.

It is an amenable number.

45581441 is a deficient number, since it is larger than the sum of its proper divisors (1).

45581441 is an equidigital number, since it uses as much as digits as its factorization.

45581441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 32.

The square root of 45581441 is about 6751.4028912516. The cubic root of 45581441 is about 357.2147227799.

Adding to 45581441 its reverse (14418554), we get a palindrome (59999995).

The spelling of 45581441 in words is "forty-five million, five hundred eighty-one thousand, four hundred forty-one".