45204305 has 4 divisors (see below), whose sum is σ = 54245172. Its totient is φ = 36163440.

The previous prime is 45204281. The next prime is 45204307. The reversal of 45204305 is 50340254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50340254 = 2 ⋅25170127.

It can be written as a sum of positive squares in 2 ways, for example, as 29931841 + 15272464 = 5471^2 + 3908^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45204305 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45204307) 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, 4520426 + ... + 4520435.

It is an arithmetic number, because the mean of its divisors is an integer number (13561293).

Almost surely, 2^45204305 is an apocalyptic number.

It is an amenable number.

45204305 is a deficient number, since it is larger than the sum of its proper divisors (9040867).

45204305 is an equidigital number, since it uses as much as digits as its factorization.

45204305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040866.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45204305 is about 6723.4146830312. The cubic root of 45204305 is about 356.2268075596.

Adding to 45204305 its reverse (50340254), we get a palindrome (95544559).

The spelling of 45204305 in words is "forty-five million, two hundred four thousand, three hundred five".