45444542 has 32 divisors (see below), whose sum is σ = 84309120. Its totient is φ = 18061920.

The previous prime is 45444533. The next prime is 45444569. The reversal of 45444542 is 24544454.

It is a junction number, because it is equal to n+sod(n) for n = 45444499 and 45444508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (2634660).

Almost surely, 2^45444542 is an apocalyptic number.

45444542 is a deficient number, since it is larger than the sum of its proper divisors (38864578).

45444542 is a wasteful number, since it uses less digits than its factorization.

45444542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408.

The product of its digits is 51200, while the sum is 32.

The square root of 45444542 is about 6741.2567077660. The cubic root of 45444542 is about 356.8567453753.

Adding to 45444542 its reverse (24544454), we get a palindrome (69988996).

The spelling of 45444542 in words is "forty-five million, four hundred forty-four thousand, five hundred forty-two".