245305452140321 has 2 divisors, whose sum is σ = 245305452140322. Its totient is φ = 245305452140320.

The previous prime is 245305452140303. The next prime is 245305452140339. The reversal of 245305452140321 is 123041254503542.

It is a balanced prime because it is at equal distance from previous prime (245305452140303) and next prime (245305452140339).

It can be written as a sum of positive squares in only one way, i.e., 245265793409296 + 39658731025 = 15660964^2 + 199145^2 .

It is a cyclic number.

It is not a de Polignac number, because 245305452140321 - 2³⁴ = 245288272271137 is a prime.

It is not a weakly prime, because it can be changed into another prime (245305452140381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652726070160 + 122652726070161.

It is an arithmetic number, because the mean of its divisors is an integer number (122652726070161).

Almost surely, 2^{245305452140321} is an apocalyptic number.

It is an amenable number.

245305452140321 is a deficient number, since it is larger than the sum of its proper divisors (1).

245305452140321 is an equidigital number, since it uses as much as digits as its factorization.

245305452140321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 245305452140321 in words is "two hundred forty-five trillion, three hundred five billion, four hundred fifty-two million, one hundred forty thousand, three hundred twenty-one".