242506147 has 8 divisors (see below), whose sum is σ = 261477216. Its totient is φ = 223580352.

The previous prime is 242506141. The next prime is 242506169. The reversal of 242506147 is 741605242.

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 242506147 - 2²³ = 234117539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242506141) 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, 258 + ... + 22024.

It is an arithmetic number, because the mean of its divisors is an integer number (32684652).

Almost surely, 2^242506147 is an apocalyptic number.

242506147 is a deficient number, since it is larger than the sum of its proper divisors (18971069).

242506147 is a wasteful number, since it uses less digits than its factorization.

242506147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22637.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 242506147 is about 15572.6088694220. The cubic root of 242506147 is about 623.6021212670.

The spelling of 242506147 in words is "two hundred forty-two million, five hundred six thousand, one hundred forty-seven".