142263216 has 100 divisors (see below), whose sum is σ = 425153344. Its totient is φ = 45878400.

The previous prime is 142263193. The next prime is 142263227. The reversal of 142263216 is 612362241.

142263216 is a `hidden beast` number, since 1 + 4 + 22 + 632 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 142263216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38406 + ... + 41946.

Almost surely, 2^142263216 is an apocalyptic number.

142263216 is a gapful number since it is divisible by the number (16) 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 142263216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212576672).

142263216 is an abundant number, since it is smaller than the sum of its proper divisors (282890128).

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

142263216 is a wasteful number, since it uses less digits than its factorization.

142263216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3577 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 142263216 is about 11927.4144725502. The cubic root of 142263216 is about 522.0324989675.

The spelling of 142263216 in words is "one hundred forty-two million, two hundred sixty-three thousand, two hundred sixteen".