142645111 has 8 divisors (see below), whose sum is σ = 163340064. Its totient is φ = 122029440.

The previous prime is 142645099. The next prime is 142645117. The reversal of 142645111 is 111546241.

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

It is a cyclic number.

It is not a de Polignac number, because 142645111 - 2⁹ = 142644599 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 (142645117) 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, 15910 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (20417508).

Almost surely, 2^142645111 is an apocalyptic number.

142645111 is a deficient number, since it is larger than the sum of its proper divisors (20694953).

142645111 is an equidigital number, since it uses as much as digits as its factorization.

142645111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39641.

The product of its digits is 960, while the sum is 25.

The square root of 142645111 is about 11943.4128706999. The cubic root of 142645111 is about 522.4992007192.

The spelling of 142645111 in words is "one hundred forty-two million, six hundred forty-five thousand, one hundred eleven".