142845166 has 4 divisors (see below), whose sum is σ = 214267752. Its totient is φ = 71422582.

The previous prime is 142845163. The next prime is 142845167. The reversal of 142845166 is 661548241.

142845166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661548241 = 23 ⋅28762967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142845161) 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 as a sum of consecutive naturals, namely, 35711290 + ... + 35711293.

It is an arithmetic number, because the mean of its divisors is an integer number (53566938).

Almost surely, 2^142845166 is an apocalyptic number.

142845166 is a deficient number, since it is larger than the sum of its proper divisors (71422586).

142845166 is an equidigital number, since it uses as much as digits as its factorization.

142845166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71422585.

The product of its digits is 46080, while the sum is 37.

The square root of 142845166 is about 11951.7850549615. The cubic root of 142845166 is about 522.7433491725.

The spelling of 142845166 in words is "one hundred forty-two million, eight hundred forty-five thousand, one hundred sixty-six".