45444342 has 16 divisors (see below), whose sum is σ = 90981360. Its totient is φ = 15132672.

The previous prime is 45444319. The next prime is 45444361. The reversal of 45444342 is 24344454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3634 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (5686335).

Almost surely, 2^45444342 is an apocalyptic number.

45444342 is an abundant number, since it is smaller than the sum of its proper divisors (45537018).

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

45444342 is a wasteful number, since it uses less digits than its factorization.

45444342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727.

The product of its digits is 30720, while the sum is 30.

The square root of 45444342 is about 6741.2418737203. The cubic root of 45444342 is about 356.8562218694.

Adding to 45444342 its reverse (24344454), we get a palindrome (69788796).

The spelling of 45444342 in words is "forty-five million, four hundred forty-four thousand, three hundred forty-two".