45409386 has 64 divisors (see below), whose sum is σ = 103130496. Its totient is φ = 13209600.

The previous prime is 45409369. The next prime is 45409387. The reversal of 45409386 is 68390454.

45409386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45409387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262396 + ... + 262568.

It is an arithmetic number, because the mean of its divisors is an integer number (1611414).

Almost surely, 2^45409386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45409386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51565248).

45409386 is an abundant number, since it is smaller than the sum of its proper divisors (57721110).

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

45409386 is a wasteful number, since it uses less digits than its factorization.

45409386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45409386 is about 6738.6486775911. The cubic root of 45409386 is about 356.7646999085.

The spelling of 45409386 in words is "forty-five million, four hundred nine thousand, three hundred eighty-six".