It is a congruent number.
It is an unprimeable number.
142496 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2142496 is an apocalyptic number.
142496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142496 is an equidigital number, since it uses as much as digits as its factorization.
142496 is an evil number, because the sum of its binary digits is even.
The square root of 142496 is about 377.4864235969. The cubic root of 142496 is about 52.2317076142.
The spelling of 142496 in words is "one hundred forty-two thousand, four hundred ninety-six".