142279680 has 176 divisors, whose sum is σ = 465733440. Its totient is φ = 37060608.

The previous prime is 142279673. The next prime is 142279691. The reversal of 142279680 is 86972241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906162 + ... + 906318.

Almost surely, 2^142279680 is an apocalyptic number.

142279680 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 142279680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232866720).

142279680 is an abundant number, since it is smaller than the sum of its proper divisors (323453760).

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

142279680 is a wasteful number, since it uses less digits than its factorization.

142279680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 142279680 is about 11928.1046273077. The cubic root of 142279680 is about 522.0526363152.

The spelling of 142279680 in words is "one hundred forty-two million, two hundred seventy-nine thousand, six hundred eighty".