242430151 has 2 divisors, whose sum is σ = 242430152. Its totient is φ = 242430150.

The previous prime is 242430127. The next prime is 242430197. The reversal of 242430151 is 151034242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242430151 - 2¹¹ = 242428103 is a prime.

It is a super-3 number, since 3×242430151³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242430121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121215075 + 121215076.

It is an arithmetic number, because the mean of its divisors is an integer number (121215076).

Almost surely, 2^242430151 is an apocalyptic number.

242430151 is a deficient number, since it is larger than the sum of its proper divisors (1).

242430151 is an equidigital number, since it uses as much as digits as its factorization.

242430151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 242430151 is about 15570.1686246489. The cubic root of 242430151 is about 623.5369734777.

Adding to 242430151 its reverse (151034242), we get a palindrome (393464393).

The spelling of 242430151 in words is "two hundred forty-two million, four hundred thirty thousand, one hundred fifty-one".