142006161 has 8 divisors (see below), whose sum is σ = 206554464. Its totient is φ = 86064320.

The previous prime is 142006159. The next prime is 142006211. The reversal of 142006161 is 161600241.

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 142006161 - 2¹ = 142006159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142006141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151576 + ... + 2151641.

It is an arithmetic number, because the mean of its divisors is an integer number (25819308).

Almost surely, 2^142006161 is an apocalyptic number.

142006161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142006161 is a deficient number, since it is larger than the sum of its proper divisors (64548303).

142006161 is a wasteful number, since it uses less digits than its factorization.

142006161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303231.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 142006161 is about 11916.6337948265. The cubic root of 142006161 is about 521.7178897237.

The spelling of 142006161 in words is "one hundred forty-two million, six thousand, one hundred sixty-one".