142317111 has 4 divisors (see below), whose sum is σ = 189756152. Its totient is φ = 94878072.

The previous prime is 142317073. The next prime is 142317113. The reversal of 142317111 is 111713241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142317111 - 2⁷ = 142316983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142317113) 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, 23719516 + ... + 23719521.

It is an arithmetic number, because the mean of its divisors is an integer number (47439038).

Almost surely, 2^142317111 is an apocalyptic number.

142317111 is a deficient number, since it is larger than the sum of its proper divisors (47439041).

142317111 is an equidigital number, since it uses as much as digits as its factorization.

142317111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47439040.

The product of its digits is 168, while the sum is 21.

The square root of 142317111 is about 11929.6735495989. The cubic root of 142317111 is about 522.0984129125.

The spelling of 142317111 in words is "one hundred forty-two million, three hundred seventeen thousand, one hundred eleven".