142816280 has 16 divisors (see below), whose sum is σ = 321336720. Its totient is φ = 57126496.

The previous prime is 142816277. The next prime is 142816307. The reversal of 142816280 is 82618241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785164 + ... + 1785243.

It is an arithmetic number, because the mean of its divisors is an integer number (20083545).

Almost surely, 2^142816280 is an apocalyptic number.

142816280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142816280 is an abundant number, since it is smaller than the sum of its proper divisors (178520440).

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

142816280 is a wasteful number, since it uses less digits than its factorization.

142816280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570418 (or 3570414 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 142816280 is about 11950.5765551290. The cubic root of 142816280 is about 522.7081105927.

The spelling of 142816280 in words is "one hundred forty-two million, eight hundred sixteen thousand, two hundred eighty".