244563157 has 2 divisors, whose sum is σ = 244563158. Its totient is φ = 244563156.

The previous prime is 244563149. The next prime is 244563161. The reversal of 244563157 is 751365442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239661361 + 4901796 = 15481^2 + 2214^2 .

It is a cyclic number.

It is not a de Polignac number, because 244563157 - 2³ = 244563149 is a prime.

It is a super-2 number, since 2×244563157² = 119622275523613298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244563197) 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, 122281578 + 122281579.

It is an arithmetic number, because the mean of its divisors is an integer number (122281579).

Almost surely, 2^244563157 is an apocalyptic number.

It is an amenable number.

244563157 is a deficient number, since it is larger than the sum of its proper divisors (1).

244563157 is an equidigital number, since it uses as much as digits as its factorization.

244563157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 244563157 is about 15638.5151788781. The cubic root of 244563157 is about 625.3603528334.

The spelling of 244563157 in words is "two hundred forty-four million, five hundred sixty-three thousand, one hundred fifty-seven".