142140318 has 8 divisors (see below), whose sum is σ = 284280648. Its totient is φ = 47380104.

The previous prime is 142140307. The next prime is 142140319. The reversal of 142140318 is 813041241.

It is a sphenic number, since it is the product of 3 distinct primes.

142140318 is an admirable number.

It is a super-2 number, since 2×142140318² = 40407740002282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845021 + ... + 11845032.

It is an arithmetic number, because the mean of its divisors is an integer number (35535081).

Almost surely, 2^142140318 is an apocalyptic number.

142140318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142140318 is a wasteful number, since it uses less digits than its factorization.

142140318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690058.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 142140318 is about 11922.2614465545. The cubic root of 142140318 is about 521.8821316056.

Adding to 142140318 its reverse (813041241), we get a palindrome (955181559).

The spelling of 142140318 in words is "one hundred forty-two million, one hundred forty thousand, three hundred eighteen".