242690345 has 8 divisors (see below), whose sum is σ = 291449664. Its totient is φ = 194004784.

The previous prime is 242690333. The next prime is 242690369. The reversal of 242690345 is 543096242.

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 242690345 - 2²⁰ = 241641769 is a prime.

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, 10919 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (36431208).

Almost surely, 2^242690345 is an apocalyptic number.

It is an amenable number.

242690345 is a deficient number, since it is larger than the sum of its proper divisors (48759319).

242690345 is a wasteful number, since it uses less digits than its factorization.

242690345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36879.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 242690345 is about 15578.5219131983. The cubic root of 242690345 is about 623.7599690777.

The spelling of 242690345 in words is "two hundred forty-two million, six hundred ninety thousand, three hundred forty-five".