45521441 has 6 divisors (see below), whose sum is σ = 52953570. Its totient is φ = 39018336.

The previous prime is 45521431. The next prime is 45521447. The reversal of 45521441 is 14412554.

It can be written as a sum of positive squares in only one way, i.e., 35153041 + 10368400 = 5929^2 + 3220^2 .

It is not a de Polignac number, because 45521441 - 2²² = 41327137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45521441.

It is not an unprimeable number, because it can be changed into a prime (45521447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464456 + ... + 464553.

It is an arithmetic number, because the mean of its divisors is an integer number (8825595).

Almost surely, 2^45521441 is an apocalyptic number.

It is an amenable number.

45521441 is a deficient number, since it is larger than the sum of its proper divisors (7432129).

45521441 is an equidigital number, since it uses as much as digits as its factorization.

45521441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929023 (or 929016 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 45521441 is about 6746.9579070867. The cubic root of 45521441 is about 357.0579170420.

Adding to 45521441 its reverse (14412554), we get a palindrome (59933995).

The spelling of 45521441 in words is "forty-five million, five hundred twenty-one thousand, four hundred forty-one".