242102141 has 4 divisors (see below), whose sum is σ = 242136000. Its totient is φ = 242068284.

The previous prime is 242102131. The next prime is 242102143. The reversal of 242102141 is 141201242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 242102141 - 2¹⁰ = 242101117 is a prime.

It is a super-2 number, since 2×242102141² = 117226893353567762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242102143) 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 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 22058.

It is an arithmetic number, because the mean of its divisors is an integer number (60534000).

Almost surely, 2^242102141 is an apocalyptic number.

It is an amenable number.

242102141 is a deficient number, since it is larger than the sum of its proper divisors (33859).

242102141 is a wasteful number, since it uses less digits than its factorization.

242102141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33858.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242102141 is about 15559.6317758487. The cubic root of 242102141 is about 623.2556296580.

Adding to 242102141 its reverse (141201242), we get a palindrome (383303383).

The spelling of 242102141 in words is "two hundred forty-two million, one hundred two thousand, one hundred forty-one".