168045142 has 8 divisors (see below), whose sum is σ = 258215832. Its totient is φ = 81973200.

The previous prime is 168045127. The next prime is 168045151. The reversal of 168045142 is 241540861.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024584 + ... + 1024747.

It is an arithmetic number, because the mean of its divisors is an integer number (32276979).

Almost surely, 2^168045142 is an apocalyptic number.

168045142 is a deficient number, since it is larger than the sum of its proper divisors (90170690).

168045142 is a wasteful number, since it uses less digits than its factorization.

168045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049374.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 168045142 is about 12963.2226703085. Note that the first 3 decimals coincide. The cubic root of 168045142 is about 551.8342528166.

The spelling of 168045142 in words is "one hundred sixty-eight million, forty-five thousand, one hundred forty-two".