142133020 has 12 divisors (see below), whose sum is σ = 298479384. Its totient is φ = 56853200.

The previous prime is 142133011. The next prime is 142133023. The reversal of 142133020 is 20331241.

It is a happy number.

142133020 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 = 142132985 and 142133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142133023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553306 + ... + 3553345.

It is an arithmetic number, because the mean of its divisors is an integer number (24873282).

Almost surely, 2^142133020 is an apocalyptic number.

142133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142133020 is an abundant number, since it is smaller than the sum of its proper divisors (156346364).

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

142133020 is a wasteful number, since it uses less digits than its factorization.

142133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106660 (or 7106658 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142133020 is about 11921.9553765312. The cubic root of 142133020 is about 521.8731996783.

Adding to 142133020 its reverse (20331241), we get a palindrome (162464261).

The spelling of 142133020 in words is "one hundred forty-two million, one hundred thirty-three thousand, twenty".