166445142 has 32 divisors (see below), whose sum is σ = 340913664. Its totient is φ = 54151200.

The previous prime is 166445101. The next prime is 166445161. The reversal of 166445142 is 241544661.

166445142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152017 + ... + 153107.

It is an arithmetic number, because the mean of its divisors is an integer number (10653552).

Almost surely, 2^166445142 is an apocalyptic number.

166445142 is an abundant number, since it is smaller than the sum of its proper divisors (174468522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166445142 is a wasteful number, since it uses less digits than its factorization.

166445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its digits is 23040, while the sum is 33.

The square root of 166445142 is about 12901.3620211201. The cubic root of 166445142 is about 550.0772806008.

The spelling of 166445142 in words is "one hundred sixty-six million, four hundred forty-five thousand, one hundred forty-two".