142129176 has 64 divisors (see below), whose sum is σ = 407297280. Its totient is φ = 40487040.

The previous prime is 142129159. The next prime is 142129187. The reversal of 142129176 is 671921241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65631 + ... + 67761.

It is an arithmetic number, because the mean of its divisors is an integer number (6364020).

Almost surely, 2^142129176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142129176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203648640).

142129176 is an abundant number, since it is smaller than the sum of its proper divisors (265168104).

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

142129176 is a wasteful number, since it uses less digits than its factorization.

142129176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2540 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 142129176 is about 11921.7941602764. The cubic root of 142129176 is about 521.8684949337.

The spelling of 142129176 in words is "one hundred forty-two million, one hundred twenty-nine thousand, one hundred seventy-six".