242143161 has 8 divisors (see below), whose sum is σ = 347692800. Its totient is φ = 149011152.

The previous prime is 242143123. The next prime is 242143199. The reversal of 242143161 is 161341242.

It is an interprime number because it is at equal distance from previous prime (242143123) and next prime (242143199).

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

It is not a de Polignac number, because 242143161 - 2²⁵ = 208588729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242143261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3104361 + ... + 3104438.

It is an arithmetic number, because the mean of its divisors is an integer number (43461600).

Almost surely, 2^242143161 is an apocalyptic number.

It is an amenable number.

242143161 is a deficient number, since it is larger than the sum of its proper divisors (105549639).

242143161 is a wasteful number, since it uses less digits than its factorization.

242143161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208815.

The product of its digits is 1152, while the sum is 24.

The square root of 242143161 is about 15560.9498746060. The cubic root of 242143161 is about 623.2908276149.

The spelling of 242143161 in words is "two hundred forty-two million, one hundred forty-three thousand, one hundred sixty-one".