142918111 has 8 divisors (see below), whose sum is σ = 167133824. Its totient is φ = 119652120.

The previous prime is 142918103. The next prime is 142918121. The reversal of 142918111 is 111819241.

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

It is not a de Polignac number, because 142918111 - 2³ = 142918103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142918111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142918121) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 237105 + ... + 237706.

It is an arithmetic number, because the mean of its divisors is an integer number (20891728).

Almost surely, 2^142918111 is an apocalyptic number.

142918111 is a deficient number, since it is larger than the sum of its proper divisors (24215713).

142918111 is an equidigital number, since it uses as much as digits as its factorization.

142918111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474861.

The product of its digits is 576, while the sum is 28.

The square root of 142918111 is about 11954.8363016814. The cubic root of 142918111 is about 522.8323150223.

The spelling of 142918111 in words is "one hundred forty-two million, nine hundred eighteen thousand, one hundred eleven".