45521446 has 8 divisors (see below), whose sum is σ = 68312664. Its totient is φ = 22750560.

The previous prime is 45521431. The next prime is 45521447. The reversal of 45521446 is 64412554.

It is a happy number.

45521446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521447) 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 3 ways as a sum of consecutive naturals, for example, 3246 + ... + 10078.

It is an arithmetic number, because the mean of its divisors is an integer number (8539083).

Almost surely, 2^45521446 is an apocalyptic number.

45521446 is a deficient number, since it is larger than the sum of its proper divisors (22791218).

45521446 is a wasteful number, since it uses less digits than its factorization.

45521446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166.

The product of its digits is 19200, while the sum is 31.

The square root of 45521446 is about 6746.9582776241. The cubic root of 45521446 is about 357.0579301149.

The spelling of 45521446 in words is "forty-five million, five hundred twenty-one thousand, four hundred forty-six".