45104405 has 4 divisors (see below), whose sum is σ = 54125292. Its totient is φ = 36083520.

The previous prime is 45104393. The next prime is 45104407. The reversal of 45104405 is 50440154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50440154 = 2 ⋅25220077.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 34774609 = 3214^2 + 5897^2 .

It is not a de Polignac number, because 45104405 - 2⁶ = 45104341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45104407) 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, 4510436 + ... + 4510445.

It is an arithmetic number, because the mean of its divisors is an integer number (13531323).

Almost surely, 2^45104405 is an apocalyptic number.

It is an amenable number.

45104405 is a deficient number, since it is larger than the sum of its proper divisors (9020887).

45104405 is an equidigital number, since it uses as much as digits as its factorization.

45104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020886.

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

The square root of 45104405 is about 6715.9813132557. The cubic root of 45104405 is about 355.9641975736.

Adding to 45104405 its reverse (50440154), we get a palindrome (95544559).

The spelling of 45104405 in words is "forty-five million, one hundred four thousand, four hundred five".