242161143795 has 48 divisors (see below), whose sum is σ = 420672444192. Its totient is φ = 128867904000.

The previous prime is 242161143793. The next prime is 242161143799. The reversal of 242161143795 is 597341161242.

242161143795 is a `hidden beast` number, since 2 + 4 + 21 + 611 + 4 + 3 + 7 + 9 + 5 = 666.

It is not a de Polignac number, because 242161143795 - 2¹ = 242161143793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 242161143795.

It is not an unprimeable number, because it can be changed into a prime (242161143793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44018545 + ... + 44024045.

It is an arithmetic number, because the mean of its divisors is an integer number (8764009254).

Almost surely, 2^242161143795 is an apocalyptic number.

242161143795 is a deficient number, since it is larger than the sum of its proper divisors (178511300397).

242161143795 is a wasteful number, since it uses less digits than its factorization.

242161143795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492 (or 7489 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 242161143795 in words is "two hundred forty-two billion, one hundred sixty-one million, one hundred forty-three thousand, seven hundred ninety-five".