542223144 has 48 divisors (see below), whose sum is σ = 1492607220. Its totient is φ = 177776640.

The previous prime is 542223127. The next prime is 542223167. The reversal of 542223144 is 441322245.

542223144 is a `hidden beast` number, since 5 + 422 + 231 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 541120644 + 1102500 = 23262^2 + 1050^2 .

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 11 ways as a sum of consecutive naturals, for example, 57337 + ... + 66120.

Almost surely, 2^542223144 is an apocalyptic number.

It is an amenable number.

542223144 is an abundant number, since it is smaller than the sum of its proper divisors (950384076).

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

542223144 is a wasteful number, since it uses less digits than its factorization.

542223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123530 (or 123523 counting only the distinct ones).

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

The square root of 542223144 is about 23285.6853882380. The cubic root of 542223144 is about 815.4412625449.

Adding to 542223144 its reverse (441322245), we get a palindrome (983545389).

The spelling of 542223144 in words is "five hundred forty-two million, two hundred twenty-three thousand, one hundred forty-four".