242724147 has 16 divisors (see below), whose sum is σ = 343909152. Its totient is φ = 151746560.

The previous prime is 242724101. The next prime is 242724151. The reversal of 242724147 is 741427242.

It is a cyclic number.

It is not a de Polignac number, because 242724147 - 2⁷ = 242724019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242724187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5863 + ... + 22799.

It is an arithmetic number, because the mean of its divisors is an integer number (21494322).

Almost surely, 2^242724147 is an apocalyptic number.

242724147 is a deficient number, since it is larger than the sum of its proper divisors (101185005).

242724147 is a wasteful number, since it uses less digits than its factorization.

242724147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238.

The product of its digits is 25088, while the sum is 33.

The square root of 242724147 is about 15579.6067665394. The cubic root of 242724147 is about 623.7889269056.

The spelling of 242724147 in words is "two hundred forty-two million, seven hundred twenty-four thousand, one hundred forty-seven".