142784082 has 48 divisors (see below), whose sum is σ = 354923712. Its totient is φ = 40638240.

The previous prime is 142784077. The next prime is 142784087. The reversal of 142784082 is 280487241.

It is an interprime number because it is at equal distance from previous prime (142784077) and next prime (142784087).

It is not an unprimeable number, because it can be changed into a prime (142784087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32857 + ... + 36947.

It is an arithmetic number, because the mean of its divisors is an integer number (7394244).

Almost surely, 2^142784082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142784082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177461856).

142784082 is an abundant number, since it is smaller than the sum of its proper divisors (212139630).

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

142784082 is a wasteful number, since it uses less digits than its factorization.

142784082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 142784082 is about 11949.2293475353. The cubic root of 142784082 is about 522.6688260408.

The spelling of 142784082 in words is "one hundred forty-two million, seven hundred eighty-four thousand, eighty-two".