142102322544 has 160 divisors (see below), whose sum is σ = 464024189440. Its totient is φ = 36464587776.

The previous prime is 142102322539. The next prime is 142102322561. The reversal of 142102322544 is 445223201241.

It is a happy number.

142102322544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278014 + ... + 601245.

It is an arithmetic number, because the mean of its divisors is an integer number (2900151184).

Almost surely, 2^142102322544 is an apocalyptic number.

142102322544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142102322544 is an abundant number, since it is smaller than the sum of its proper divisors (321921866896).

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

142102322544 is a wasteful number, since it uses less digits than its factorization.

142102322544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879327 (or 879321 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 142102322544 its reverse (445223201241), we get a palindrome (587325523785).

The spelling of 142102322544 in words is "one hundred forty-two billion, one hundred two million, three hundred twenty-two thousand, five hundred forty-four".