45221144442 has 32 divisors (see below), whose sum is σ = 91025156160. Its totient is φ = 14976627840.

The previous prime is 45221144431. The next prime is 45221144459. The reversal of 45221144442 is 24444112254.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4905934 + ... + 4915142.

It is an arithmetic number, because the mean of its divisors is an integer number (2844536130).

Almost surely, 2^45221144442 is an apocalyptic number.

45221144442 is an abundant number, since it is smaller than the sum of its proper divisors (45804011718).

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

45221144442 is a wasteful number, since it uses less digits than its factorization.

45221144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398.

The product of its digits is 40960, while the sum is 33.

Adding to 45221144442 its reverse (24444112254), we get a palindrome (69665256696).

The spelling of 45221144442 in words is "forty-five billion, two hundred twenty-one million, one hundred forty-four thousand, four hundred forty-two".