45504401 has 2 divisors, whose sum is σ = 45504402. Its totient is φ = 45504400.

The previous prime is 45504379. The next prime is 45504443. The reversal of 45504401 is 10440554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 16613776 = 5375^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 45504401 - 2²² = 41310097 is a prime.

It is not a weakly prime, because it can be changed into another prime (45506401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752200 + 22752201.

It is an arithmetic number, because the mean of its divisors is an integer number (22752201).

Almost surely, 2^45504401 is an apocalyptic number.

It is an amenable number.

45504401 is a deficient number, since it is larger than the sum of its proper divisors (1).

45504401 is an equidigital number, since it uses as much as digits as its factorization.

45504401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45504401 is about 6745.6949975521. The cubic root of 45504401 is about 357.0133590923.

Adding to 45504401 its reverse (10440554), we get a palindrome (55944955).

The spelling of 45504401 in words is "forty-five million, five hundred four thousand, four hundred one".