242474153 has 2 divisors, whose sum is σ = 242474154. Its totient is φ = 242474152.

The previous prime is 242474093. The next prime is 242474161. The reversal of 242474153 is 351474242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154057744 + 88416409 = 12412^2 + 9403^2 .

It is a cyclic number.

It is not a de Polignac number, because 242474153 - 2¹² = 242470057 is a prime.

It is not a weakly prime, because it can be changed into another prime (242474173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121237076 + 121237077.

It is an arithmetic number, because the mean of its divisors is an integer number (121237077).

Almost surely, 2^242474153 is an apocalyptic number.

It is an amenable number.

242474153 is a deficient number, since it is larger than the sum of its proper divisors (1).

242474153 is an equidigital number, since it uses as much as digits as its factorization.

242474153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 242474153 is about 15571.5815831276. The cubic root of 242474153 is about 623.5746959777.

The spelling of 242474153 in words is "two hundred forty-two million, four hundred seventy-four thousand, one hundred fifty-three".