142168051 has 8 divisors (see below), whose sum is σ = 150745680. Its totient is φ = 133699968.

The previous prime is 142168049. The next prime is 142168073. The reversal of 142168051 is 150861241.

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

It is a cyclic number.

It is not a de Polignac number, because 142168051 - 2¹ = 142168049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142168001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24706 + ... + 29911.

It is an arithmetic number, because the mean of its divisors is an integer number (18843210).

Almost surely, 2^142168051 is an apocalyptic number.

142168051 is a deficient number, since it is larger than the sum of its proper divisors (8577629).

142168051 is a wasteful number, since it uses less digits than its factorization.

142168051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54773.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 142168051 is about 11923.4244661507. The cubic root of 142168051 is about 521.9160708758.

The spelling of 142168051 in words is "one hundred forty-two million, one hundred sixty-eight thousand, fifty-one".