45404216 has 96 divisors (see below), whose sum is σ = 104353920. Its totient is φ = 18345600.

The previous prime is 45404213. The next prime is 45404221. The reversal of 45404216 is 61240454.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45404213) 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 23 ways as a sum of consecutive naturals, for example, 639461 + ... + 639531.

It is an arithmetic number, because the mean of its divisors is an integer number (1087020).

Almost surely, 2^45404216 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 45404216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52176960).

45404216 is an abundant number, since it is smaller than the sum of its proper divisors (58949704).

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

45404216 is a wasteful number, since it uses less digits than its factorization.

45404216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45404216 is about 6738.2650586037. The cubic root of 45404216 is about 356.7511598039.

The spelling of 45404216 in words is "forty-five million, four hundred four thousand, two hundred sixteen".