242154012141 has 6 divisors (see below), whose sum is σ = 349778017550. Its totient is φ = 161436008088.

The previous prime is 242154012137. The next prime is 242154012143. The reversal of 242154012141 is 141210451242.

242154012141 is a `hidden beast` number, since 2 + 4 + 215 + 401 + 2 + 1 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 228187736100 + 13966276041 = 477690^2 + 118179^2 .

It is not a de Polignac number, because 242154012141 - 2² = 242154012137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242154012143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13453000666 + ... + 13453000683.

Almost surely, 2^242154012141 is an apocalyptic number.

It is an amenable number.

242154012141 is a deficient number, since it is larger than the sum of its proper divisors (107624005409).

242154012141 is a wasteful number, since it uses less digits than its factorization.

242154012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26906001355 (or 26906001352 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 242154012141 its reverse (141210451242), we get a palindrome (383364463383).

The spelling of 242154012141 in words is "two hundred forty-two billion, one hundred fifty-four million, twelve thousand, one hundred forty-one".