142703872 has 36 divisors (see below), whose sum is σ = 285781860. Its totient is φ = 71118848.

The previous prime is 142703863. The next prime is 142703887. The reversal of 142703872 is 278307241.

It can be written as a sum of positive squares in 2 ways, for example, as 77158656 + 65545216 = 8784^2 + 8096^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98868 + ... + 100300.

It is an arithmetic number, because the mean of its divisors is an integer number (7938385).

Almost surely, 2^142703872 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 142703872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142890930).

142703872 is an abundant number, since it is smaller than the sum of its proper divisors (143077988).

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

142703872 is an equidigital number, since it uses as much as digits as its factorization.

142703872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 142703872 is about 11945.8725926573. The cubic root of 142703872 is about 522.5709366995.

The spelling of 142703872 in words is "one hundred forty-two million, seven hundred three thousand, eight hundred seventy-two".