45242125444 has 24 divisors (see below), whose sum is σ = 79530635520. Its totient is φ = 22519148736.

The previous prime is 45242125429. The next prime is 45242125451. The reversal of 45242125444 is 44452124254.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131144 + ... + 4142080.

It is an arithmetic number, because the mean of its divisors is an integer number (3313776480).

Almost surely, 2^45242125444 is an apocalyptic number.

It is an amenable number.

45242125444 is a deficient number, since it is larger than the sum of its proper divisors (34288510076).

45242125444 is a wasteful number, since it uses less digits than its factorization.

45242125444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507 (or 15505 counting only the distinct ones).

The product of its digits is 204800, while the sum is 37.

Adding to 45242125444 its reverse (44452124254), we get a palindrome (89694249698).

The spelling of 45242125444 in words is "forty-five billion, two hundred forty-two million, one hundred twenty-five thousand, four hundred forty-four".