242151042155441 has 8 divisors (see below), whose sum is σ = 248079846143304. Its totient is φ = 236223318215680.

The previous prime is 242151042155383. The next prime is 242151042155453. The reversal of 242151042155441 is 144551240151242.

It can be written as a sum of positive squares in 4 ways, for example, as 92863674096400 + 149287368059041 = 9636580^2 + 12218321^2 .

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 242151042155441 - 2⁴² = 237752995644337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242151042152441) 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, 269558120 + ... + 270454953.

It is an arithmetic number, because the mean of its divisors is an integer number (31009980767913).

Almost surely, 2^{242151042155441} is an apocalyptic number.

It is an amenable number.

242151042155441 is a deficient number, since it is larger than the sum of its proper divisors (5928803987863).

242151042155441 is a wasteful number, since it uses less digits than its factorization.

242151042155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540024051.

The product of its (nonzero) digits is 256000, while the sum is 41.

The spelling of 242151042155441 in words is "two hundred forty-two trillion, one hundred fifty-one billion, forty-two million, one hundred fifty-five thousand, four hundred forty-one".