167745142 has 8 divisors (see below), whose sum is σ = 255882600. Its totient is φ = 82450944.

The previous prime is 167745139. The next prime is 167745157. The reversal of 167745142 is 241547761.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710667 + ... + 710902.

It is an arithmetic number, because the mean of its divisors is an integer number (31985325).

Almost surely, 2^167745142 is an apocalyptic number.

167745142 is a deficient number, since it is larger than the sum of its proper divisors (88137458).

167745142 is a wasteful number, since it uses less digits than its factorization.

167745142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421630.

The product of its digits is 47040, while the sum is 37.

The square root of 167745142 is about 12951.6463046209. The cubic root of 167745142 is about 551.5056726763.

The spelling of 167745142 in words is "one hundred sixty-seven million, seven hundred forty-five thousand, one hundred forty-two".