45554442 has 16 divisors (see below), whose sum is σ = 91614432. Its totient is φ = 15100560.

The previous prime is 45554413. The next prime is 45554459. The reversal of 45554442 is 24445554.

45554442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 19888 + ... + 22059.

It is an arithmetic number, because the mean of its divisors is an integer number (5725902).

Almost surely, 2^45554442 is an apocalyptic number.

45554442 is an abundant number, since it is smaller than the sum of its proper divisors (46059990).

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

45554442 is a wasteful number, since it uses less digits than its factorization.

45554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42133.

The product of its digits is 64000, while the sum is 33.

The square root of 45554442 is about 6749.4030847179. The cubic root of 45554442 is about 357.1441798503.

Adding to 45554442 its reverse (24445554), we get a palindrome (69999996).

The spelling of 45554442 in words is "forty-five million, five hundred fifty-four thousand, four hundred forty-two".