45204223 has 8 divisors (see below), whose sum is σ = 48267648. Its totient is φ = 42232344.

The previous prime is 45204217. The next prime is 45204227. The reversal of 45204223 is 32240254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45204223 - 2⁵ = 45204191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45204194 and 45204203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45204227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21865 + ... + 23842.

It is an arithmetic number, because the mean of its divisors is an integer number (6033456).

Almost surely, 2^45204223 is an apocalyptic number.

45204223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45204223 is a deficient number, since it is larger than the sum of its proper divisors (3063425).

45204223 is a wasteful number, since it uses less digits than its factorization.

45204223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45773.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45204223 is about 6723.4085849367. The cubic root of 45204223 is about 356.2265921626.

Adding to 45204223 its reverse (32240254), we get a palindrome (77444477).

The spelling of 45204223 in words is "forty-five million, two hundred four thousand, two hundred twenty-three".