45445441 has 2 divisors, whose sum is σ = 45445442. Its totient is φ = 45445440.

The previous prime is 45445429. The next prime is 45445459. The reversal of 45445441 is 14454454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 18447025 = 5196^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 45445441 - 2⁷ = 45445313 is a prime.

It is not a weakly prime, because it can be changed into another prime (45445241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722720 + 22722721.

It is an arithmetic number, because the mean of its divisors is an integer number (22722721).

Almost surely, 2^45445441 is an apocalyptic number.

It is an amenable number.

45445441 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445441 is an equidigital number, since it uses as much as digits as its factorization.

45445441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 31.

The square root of 45445441 is about 6741.3233863983. The cubic root of 45445441 is about 356.8590985152.

Adding to 45445441 its reverse (14454454), we get a palindrome (59899895).

It can be divided in two parts, 4 and 5445441, that added together give a palindrome (5445445).

The spelling of 45445441 in words is "forty-five million, four hundred forty-five thousand, four hundred forty-one".