242152643 has 8 divisors (see below), whose sum is σ = 245087808. Its totient is φ = 239226624.

The previous prime is 242152633. The next prime is 242152657. The reversal of 242152643 is 346251242.

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 242152643 - 2¹⁴ = 242136259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242152613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61430 + ... + 65252.

It is an arithmetic number, because the mean of its divisors is an integer number (30635976).

Almost surely, 2^242152643 is an apocalyptic number.

242152643 is a deficient number, since it is larger than the sum of its proper divisors (2935165).

242152643 is an equidigital number, since it uses as much as digits as its factorization.

242152643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573.

The product of its digits is 11520, while the sum is 29.

The square root of 242152643 is about 15561.2545445411. The cubic root of 242152643 is about 623.2989632518.

The spelling of 242152643 in words is "two hundred forty-two million, one hundred fifty-two thousand, six hundred forty-three".