242009085 has 8 divisors (see below), whose sum is σ = 387214560. Its totient is φ = 129071504.

The previous prime is 242009081. The next prime is 242009107. The reversal of 242009085 is 580900242.

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 242009085 - 2² = 242009081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242009081) 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, 8066955 + ... + 8066984.

It is an arithmetic number, because the mean of its divisors is an integer number (48401820).

Almost surely, 2^242009085 is an apocalyptic number.

It is an amenable number.

242009085 is a deficient number, since it is larger than the sum of its proper divisors (145205475).

242009085 is a wasteful number, since it uses less digits than its factorization.

242009085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16133947.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 242009085 is about 15556.6411863230. The cubic root of 242009085 is about 623.1757665226.

The spelling of 242009085 in words is "two hundred forty-two million, nine thousand, eighty-five".