142011115420 has 24 divisors (see below), whose sum is σ = 298244142000. Its totient is φ = 56800484352.

The previous prime is 142011115417. The next prime is 142011115501. The reversal of 142011115420 is 24511110241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142011115391 and 142011115400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55356 + ... + 535804.

It is an arithmetic number, because the mean of its divisors is an integer number (12426839250).

Almost surely, 2^142011115420 is an apocalyptic number.

142011115420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142011115420 is an abundant number, since it is smaller than the sum of its proper divisors (156233026580).

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

142011115420 is a wasteful number, since it uses less digits than its factorization.

142011115420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495237 (or 495235 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 142011115420 its reverse (24511110241), we get a palindrome (166522225661).

The spelling of 142011115420 in words is "one hundred forty-two billion, eleven million, one hundred fifteen thousand, four hundred twenty".