142385280 has 64 divisors (see below), whose sum is σ = 453859200. Its totient is φ = 37968896.

The previous prime is 142385267. The next prime is 142385291. The reversal of 142385280 is 82583241.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35160 + ... + 38999.

It is an arithmetic number, because the mean of its divisors is an integer number (7091550).

Almost surely, 2^142385280 is an apocalyptic number.

142385280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142385280 is an abundant number, since it is smaller than the sum of its proper divisors (311473920).

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

142385280 is an equidigital number, since it uses as much as digits as its factorization.

142385280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74181 (or 74169 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 142385280 is about 11932.5303267999. The cubic root of 142385280 is about 522.1817602237.

The spelling of 142385280 in words is "one hundred forty-two million, three hundred eighty-five thousand, two hundred eighty".