545021312442 has 8 divisors (see below), whose sum is σ = 1090042624896. Its totient is φ = 181673770812.

The previous prime is 545021312441. The next prime is 545021312461. The reversal of 545021312442 is 244213120545.

It is a sphenic number, since it is the product of 3 distinct primes.

545021312442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (545021312441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45418442698 + ... + 45418442709.

It is an arithmetic number, because the mean of its divisors is an integer number (136255328112).

Almost surely, 2^545021312442 is an apocalyptic number.

545021312442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545021312442 is a wasteful number, since it uses less digits than its factorization.

545021312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90836885412.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 545021312442 its reverse (244213120545), we get a palindrome (789234432987).

The spelling of 545021312442 in words is "five hundred forty-five billion, twenty-one million, three hundred twelve thousand, four hundred forty-two".