142791168 has 80 divisors (see below), whose sum is σ = 409723776. Its totient is φ = 43929600.

The previous prime is 142791163. The next prime is 142791193. The reversal of 142791168 is 861197241.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (142791161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16393 + ... + 23543.

Almost surely, 2^142791168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142791168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204861888).

142791168 is an abundant number, since it is smaller than the sum of its proper divisors (266932608).

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

142791168 is an equidigital number, since it uses as much as digits as its factorization.

142791168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7169 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 142791168 is about 11949.5258483339. The cubic root of 142791168 is about 522.6774721261.

The spelling of 142791168 in words is "one hundred forty-two million, seven hundred ninety-one thousand, one hundred sixty-eight".