45549994 has 8 divisors (see below), whose sum is σ = 78085728. Its totient is φ = 19521420.

The previous prime is 45549983. The next prime is 45550009. The reversal of 45549994 is 49994554.

45549994 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 an unprimeable number.

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, 1626772 + ... + 1626799.

It is an arithmetic number, because the mean of its divisors is an integer number (9760716).

Almost surely, 2^45549994 is an apocalyptic number.

45549994 is a deficient number, since it is larger than the sum of its proper divisors (32535734).

45549994 is a wasteful number, since it uses less digits than its factorization.

45549994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253580.

The product of its digits is 1166400, while the sum is 49.

The square root of 45549994 is about 6749.0735660533. The cubic root of 45549994 is about 357.1325554514.

The spelling of 45549994 in words is "forty-five million, five hundred forty-nine thousand, nine hundred ninety-four".