142055280 has 60 divisors (see below), whose sum is σ = 477071400. Its totient is φ = 37881216.

The previous prime is 142055279. The next prime is 142055323. The reversal of 142055280 is 82550241.

It is a happy number.

142055280 is a `hidden beast` number, since 14 + 20 + 552 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97930 + ... + 99369.

It is an arithmetic number, because the mean of its divisors is an integer number (7951190).

Almost surely, 2^142055280 is an apocalyptic number.

142055280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142055280 is an abundant number, since it is smaller than the sum of its proper divisors (335016120).

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

142055280 is a wasteful number, since it uses less digits than its factorization.

142055280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197318 (or 197309 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 142055280 is about 11918.6945593886. The cubic root of 142055280 is about 521.7780357220.

The spelling of 142055280 in words is "one hundred forty-two million, fifty-five thousand, two hundred eighty".