142822798 has 4 divisors (see below), whose sum is σ = 214234200. Its totient is φ = 71411398.

The previous prime is 142822789. The next prime is 142822817. The reversal of 142822798 is 897228241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35705698 + ... + 35705701.

It is an arithmetic number, because the mean of its divisors is an integer number (53558550).

Almost surely, 2^142822798 is an apocalyptic number.

142822798 is a deficient number, since it is larger than the sum of its proper divisors (71411402).

142822798 is an equidigital number, since it uses as much as digits as its factorization.

142822798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71411401.

The product of its digits is 129024, while the sum is 43.

The square root of 142822798 is about 11950.8492585255. The cubic root of 142822798 is about 522.7160624398.

The spelling of 142822798 in words is "one hundred forty-two million, eight hundred twenty-two thousand, seven hundred ninety-eight".