142200155420 has 24 divisors (see below), whose sum is σ = 298627414848. Its totient is φ = 56878712000.

The previous prime is 142200155413. The next prime is 142200155423. The reversal of 142200155420 is 24551002241.

It is a self number, because there is not a number n which added to its sum of digits gives 142200155420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200155423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577570 + ... + 1665270.

It is an arithmetic number, because the mean of its divisors is an integer number (12442808952).

Almost surely, 2^142200155420 is an apocalyptic number.

142200155420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142200155420 is an abundant number, since it is smaller than the sum of its proper divisors (156427259428).

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

142200155420 is a wasteful number, since it uses less digits than its factorization.

142200155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168781 (or 168779 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 142200155420 its reverse (24551002241), we get a palindrome (166751157661).

The spelling of 142200155420 in words is "one hundred forty-two billion, two hundred million, one hundred fifty-five thousand, four hundred twenty".