142323822 has 24 divisors (see below), whose sum is σ = 319002840. Its totient is φ = 45805200.

The previous prime is 142323809. The next prime is 142323827. The reversal of 142323822 is 228323241.

142323822 is a `hidden beast` number, since 1 + 423 + 238 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135804 + ... + 136847.

It is an arithmetic number, because the mean of its divisors is an integer number (13291785).

Almost surely, 2^142323822 is an apocalyptic number.

142323822 is an abundant number, since it is smaller than the sum of its proper divisors (176679018).

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

142323822 is a wasteful number, since it uses less digits than its factorization.

142323822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272688 (or 272685 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 142323822 is about 11929.9548196965. The cubic root of 142323822 is about 522.1066193452.

The spelling of 142323822 in words is "one hundred forty-two million, three hundred twenty-three thousand, eight hundred twenty-two".