142011305544 has 32 divisors (see below), whose sum is σ = 355254923520. Its totient is φ = 47306880576.

The previous prime is 142011305507. The next prime is 142011305551. The reversal of 142011305544 is 445503110241.

It is a super-2 number, since 2×142011305544² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1850439 + ... + 1925654.

It is an arithmetic number, because the mean of its divisors is an integer number (11101716360).

Almost surely, 2^142011305544 is an apocalyptic number.

It is an amenable number.

142011305544 is an abundant number, since it is smaller than the sum of its proper divisors (213243617976).

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

142011305544 is a wasteful number, since it uses less digits than its factorization.

142011305544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777669 (or 3777665 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 142011305544 its reverse (445503110241), we get a palindrome (587514415785).

The spelling of 142011305544 in words is "one hundred forty-two billion, eleven million, three hundred five thousand, five hundred forty-four".