45531242444 has 18 divisors (see below), whose sum is σ = 80509649220. Its totient is φ = 22530905472.

The previous prime is 45531242417. The next prime is 45531242473. The reversal of 45531242444 is 44424213554.

It is a junction number, because it is equal to n+sod(n) for n = 45531242398 and 45531242407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567254 + ... + 642525.

It is an arithmetic number, because the mean of its divisors is an integer number (4472758290).

Almost surely, 2^45531242444 is an apocalyptic number.

It is an amenable number.

45531242444 is a deficient number, since it is larger than the sum of its proper divisors (34978406776).

45531242444 is a wasteful number, since it uses less digits than its factorization.

45531242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209977 (or 1209878 counting only the distinct ones).

The product of its digits is 307200, while the sum is 38.

Adding to 45531242444 its reverse (44424213554), we get a palindrome (89955455998).

The spelling of 45531242444 in words is "forty-five billion, five hundred thirty-one million, two hundred forty-two thousand, four hundred forty-four".