242159785 has 8 divisors (see below), whose sum is σ = 332104896. Its totient is φ = 166052400.

The previous prime is 242159779. The next prime is 242159803. The reversal of 242159785 is 587951242.

242159785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242159785 - 2¹⁷ = 242028713 is a prime.

It is a super-2 number, since 2×242159785² = 117282722942492450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459391 + ... + 3459460.

It is an arithmetic number, because the mean of its divisors is an integer number (41513112).

Almost surely, 2^242159785 is an apocalyptic number.

It is an amenable number.

242159785 is a deficient number, since it is larger than the sum of its proper divisors (89945111).

242159785 is an equidigital number, since it uses as much as digits as its factorization.

242159785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918863.

The product of its digits is 201600, while the sum is 43.

The square root of 242159785 is about 15561.4840230616. The cubic root of 242159785 is about 623.3050910085.

The spelling of 242159785 in words is "two hundred forty-two million, one hundred fifty-nine thousand, seven hundred eighty-five".