142106620 has 12 divisors (see below), whose sum is σ = 298423944. Its totient is φ = 56842640.

The previous prime is 142106609. The next prime is 142106623. The reversal of 142106620 is 26601241.

142106620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142106591 and 142106600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142106623) 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 3 ways as a sum of consecutive naturals, for example, 3552646 + ... + 3552685.

It is an arithmetic number, because the mean of its divisors is an integer number (24868662).

Almost surely, 2^142106620 is an apocalyptic number.

142106620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142106620 is an abundant number, since it is smaller than the sum of its proper divisors (156317324).

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

142106620 is a wasteful number, since it uses less digits than its factorization.

142106620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105340 (or 7105338 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142106620 is about 11920.8481241898. The cubic root of 142106620 is about 521.8408865076.

Adding to 142106620 its reverse (26601241), we get a palindrome (168707861).

The spelling of 142106620 in words is "one hundred forty-two million, one hundred six thousand, six hundred twenty".