245305342789357 has 2 divisors, whose sum is σ = 245305342789358. Its totient is φ = 245305342789356.

The previous prime is 245305342789289. The next prime is 245305342789411. The reversal of 245305342789357 is 753987243503542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195414090525481 + 49891252263876 = 13979059^2 + 7063374^2 .

It is a cyclic number.

It is not a de Polignac number, because 245305342789357 - 2¹⁹ = 245305342265069 is a prime.

It is a super-2 number, since 2×245305342789357² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245305342789292 and 245305342789301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245305342789457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652671394678 + 122652671394679.

It is an arithmetic number, because the mean of its divisors is an integer number (122652671394679).

Almost surely, 2^{245305342789357} is an apocalyptic number.

It is an amenable number.

245305342789357 is a deficient number, since it is larger than the sum of its proper divisors (1).

245305342789357 is an equidigital number, since it uses as much as digits as its factorization.

245305342789357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048000, while the sum is 67.

The spelling of 245305342789357 in words is "two hundred forty-five trillion, three hundred five billion, three hundred forty-two million, seven hundred eighty-nine thousand, three hundred fifty-seven".