16142280 has 128 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 3352320.

The previous prime is 16142279. The next prime is 16142293. The reversal of 16142280 is 8224161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16142280.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8367 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 2^16142280 is an apocalyptic number.

16142280 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 16142280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30205440).

16142280 is an abundant number, since it is smaller than the sum of its proper divisors (44268600).

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

16142280 is a wasteful number, since it uses less digits than its factorization.

16142280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 16142280 is about 4017.7456365479. The cubic root of 16142280 is about 252.7289300433.

The spelling of 16142280 in words is "sixteen million, one hundred forty-two thousand, two hundred eighty".