142018718 has 4 divisors (see below), whose sum is σ = 213028080. Its totient is φ = 71009358.

The previous prime is 142018699. The next prime is 142018729. The reversal of 142018718 is 817810241.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35504678 + ... + 35504681.

It is an arithmetic number, because the mean of its divisors is an integer number (53257020).

Almost surely, 2^142018718 is an apocalyptic number.

142018718 is a deficient number, since it is larger than the sum of its proper divisors (71009362).

142018718 is an equidigital number, since it uses as much as digits as its factorization.

142018718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71009361.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 142018718 is about 11917.1606517660. The cubic root of 142018718 is about 521.7332670341.

Adding to 142018718 its reverse (817810241), we get a palindrome (959828959).

The spelling of 142018718 in words is "one hundred forty-two million, eighteen thousand, seven hundred eighteen".