142856910 has 96 divisors (see below), whose sum is σ = 442990080. Its totient is φ = 31230144.

The previous prime is 142856893. The next prime is 142856911. The reversal of 142856910 is 19658241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142856911) 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 47 ways as a sum of consecutive naturals, for example, 9561 + ... + 19419.

It is an arithmetic number, because the mean of its divisors is an integer number (4614480).

Almost surely, 2^142856910 is an apocalyptic number.

142856910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142856910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221495040).

142856910 is an abundant number, since it is smaller than the sum of its proper divisors (300133170).

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

142856910 is a wasteful number, since it uses less digits than its factorization.

142856910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 142856910 is about 11952.2763522268. The cubic root of 142856910 is about 522.7576745427.

The spelling of 142856910 in words is "one hundred forty-two million, eight hundred fifty-six thousand, nine hundred ten".