242544225437 has 2 divisors, whose sum is σ = 242544225438. Its totient is φ = 242544225436.

The previous prime is 242544225331. The next prime is 242544225479. The reversal of 242544225437 is 734522445242.

It is a happy number.

242544225437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226886458276 + 15657767161 = 476326^2 + 125131^2 .

It is a cyclic number.

It is not a de Polignac number, because 242544225437 - 2¹⁶ = 242544159901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242544225487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121272112718 + 121272112719.

It is an arithmetic number, because the mean of its divisors is an integer number (121272112719).

Almost surely, 2^242544225437 is an apocalyptic number.

It is an amenable number.

242544225437 is a deficient number, since it is larger than the sum of its proper divisors (1).

242544225437 is an equidigital number, since it uses as much as digits as its factorization.

242544225437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 44.

The spelling of 242544225437 in words is "two hundred forty-two billion, five hundred forty-four million, two hundred twenty-five thousand, four hundred thirty-seven".