45505441 has 4 divisors (see below), whose sum is σ = 45562500. Its totient is φ = 45448384.

The previous prime is 45505409. The next prime is 45505459. The reversal of 45505441 is 14450554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14450554 = 2 ⋅7225277.

It can be written as a sum of positive squares in 2 ways, for example, as 41216400 + 4289041 = 6420^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505441 - 2⁵ = 45505409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45505841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27316 + ... + 28933.

It is an arithmetic number, because the mean of its divisors is an integer number (11390625).

Almost surely, 2^45505441 is an apocalyptic number.

It is an amenable number.

45505441 is a deficient number, since it is larger than the sum of its proper divisors (57059).

45505441 is an equidigital number, since it uses as much as digits as its factorization.

45505441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57058.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45505441 is about 6745.7720833126. The cubic root of 45505441 is about 357.0160789103.

Adding to 45505441 its reverse (14450554), we get a palindrome (59955995).

The spelling of 45505441 in words is "forty-five million, five hundred five thousand, four hundred forty-one".