544223142 has 48 divisors (see below), whose sum is σ = 1259640720. Its totient is φ = 169214976.

The previous prime is 544223131. The next prime is 544223143. The reversal of 544223142 is 241322445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26709 + ... + 42447.

It is an arithmetic number, because the mean of its divisors is an integer number (26242515).

Almost surely, 2^544223142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544223142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629820360).

544223142 is an abundant number, since it is smaller than the sum of its proper divisors (715417578).

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

544223142 is a wasteful number, since it uses less digits than its factorization.

544223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877 (or 15874 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 544223142 is about 23328.5906561027. The cubic root of 544223142 is about 816.4426213859.

Adding to 544223142 its reverse (241322445), we get a palindrome (785545587).

The spelling of 544223142 in words is "five hundred forty-four million, two hundred twenty-three thousand, one hundred forty-two".