45405204 has 96 divisors (see below), whose sum is σ = 121175040. Its totient is φ = 13132800.

The previous prime is 45405203. The next prime is 45405209. The reversal of 45405204 is 40250454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198162 + ... + 198390.

It is an arithmetic number, because the mean of its divisors is an integer number (1262240).

Almost surely, 2^45405204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45405204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60587520).

45405204 is an abundant number, since it is smaller than the sum of its proper divisors (75769836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45405204 is a wasteful number, since it uses less digits than its factorization.

45405204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45405204 is about 6738.3383708448. The cubic root of 45405204 is about 356.7537474314.

Adding to 45405204 its reverse (40250454), we get a palindrome (85655658).

The spelling of 45405204 in words is "forty-five million, four hundred five thousand, two hundred four".