164512142 has 8 divisors (see below), whose sum is σ = 249741576. Its totient is φ = 81264952.

The previous prime is 164512141. The next prime is 164512163. The reversal of 164512142 is 241215461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164512141) 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 3 ways as a sum of consecutive naturals, for example, 495353 + ... + 495684.

It is an arithmetic number, because the mean of its divisors is an integer number (31217697).

Almost surely, 2^164512142 is an apocalyptic number.

164512142 is a deficient number, since it is larger than the sum of its proper divisors (85229434).

164512142 is an equidigital number, since it uses as much as digits as its factorization.

164512142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991122.

The product of its digits is 1920, while the sum is 26.

The square root of 164512142 is about 12826.2286740881. The cubic root of 164512142 is about 547.9395545776.

The spelling of 164512142 in words is "one hundred sixty-four million, five hundred twelve thousand, one hundred forty-two".