142132111 has 8 divisors (see below), whose sum is σ = 161794944. Its totient is φ = 123592920.

The previous prime is 142132099. The next prime is 142132153. The reversal of 142132111 is 111231241.

142132111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142132111 - 2⁵ = 142132079 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 (142132171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280641 + ... + 281146.

It is an arithmetic number, because the mean of its divisors is an integer number (20224368).

Almost surely, 2^142132111 is an apocalyptic number.

142132111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142132111 is a deficient number, since it is larger than the sum of its proper divisors (19662833).

142132111 is a wasteful number, since it uses less digits than its factorization.

142132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561821.

The product of its digits is 48, while the sum is 16.

The square root of 142132111 is about 11921.9172535293. The cubic root of 142132111 is about 521.8720871436.

Adding to 142132111 its reverse (111231241), we get a palindrome (253363352).

The spelling of 142132111 in words is "one hundred forty-two million, one hundred thirty-two thousand, one hundred eleven".