45204818 has 4 divisors (see below), whose sum is σ = 67807230. Its totient is φ = 22602408.

The previous prime is 45204811. The next prime is 45204847. The reversal of 45204818 is 81840254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 1075369 = 6643^2 + 1037^2 .

It is not an unprimeable number, because it can be changed into a prime (45204811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11301203 + ... + 11301206.

Almost surely, 2^45204818 is an apocalyptic number.

45204818 is a deficient number, since it is larger than the sum of its proper divisors (22602412).

45204818 is a wasteful number, since it uses less digits than its factorization.

45204818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22602411.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 45204818 is about 6723.4528331803. The cubic root of 45204818 is about 356.2281550984.

The spelling of 45204818 in words is "forty-five million, two hundred four thousand, eight hundred eighteen".