142919382 has 16 divisors (see below), whose sum is σ = 293564592. Its totient is φ = 46352160.

The previous prime is 142919377. The next prime is 142919389. The reversal of 142919382 is 283919241.

It is a self number, because there is not a number n which added to its sum of digits gives 142919382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142919389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321669 + ... + 322112.

It is an arithmetic number, because the mean of its divisors is an integer number (18347787).

Almost surely, 2^142919382 is an apocalyptic number.

142919382 is an abundant number, since it is smaller than the sum of its proper divisors (150645210).

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

142919382 is a wasteful number, since it uses less digits than its factorization.

142919382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643823.

The product of its digits is 31104, while the sum is 39.

The square root of 142919382 is about 11954.8894599657. The cubic root of 142919382 is about 522.8338649026.

The spelling of 142919382 in words is "one hundred forty-two million, nine hundred nineteen thousand, three hundred eighty-two".