142087680 has 240 divisors, whose sum is σ = 563026464. Its totient is φ = 32440320.

The previous prime is 142087667. The next prime is 142087691. The reversal of 142087680 is 86780241.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160840 + ... + 161720.

Almost surely, 2^142087680 is an apocalyptic number.

142087680 is a gapful number since it is divisible by the number (10) 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 142087680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281513232).

142087680 is an abundant number, since it is smaller than the sum of its proper divisors (420938784).

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

142087680 is an equidigital number, since it uses as much as digits as its factorization.

142087680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 142087680 is about 11920.0536911542. The cubic root of 142087680 is about 521.8177017901.

The spelling of 142087680 in words is "one hundred forty-two million, eighty-seven thousand, six hundred eighty".