242150449 has 2 divisors, whose sum is σ = 242150450. Its totient is φ = 242150448.

The previous prime is 242150443. The next prime is 242150453. The reversal of 242150449 is 944051242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147185424 + 94965025 = 12132^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 242150449 - 2⁹ = 242149937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242150449.

It is not a weakly prime, because it can be changed into another prime (242150443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121075224 + 121075225.

It is an arithmetic number, because the mean of its divisors is an integer number (121075225).

Almost surely, 2^242150449 is an apocalyptic number.

It is an amenable number.

242150449 is a deficient number, since it is larger than the sum of its proper divisors (1).

242150449 is an equidigital number, since it uses as much as digits as its factorization.

242150449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 242150449 is about 15561.1840487798. The cubic root of 242150449 is about 623.2970808000.

The spelling of 242150449 in words is "two hundred forty-two million, one hundred fifty thousand, four hundred forty-nine".