245375152481 has 2 divisors, whose sum is σ = 245375152482. Its totient is φ = 245375152480.

The previous prime is 245375152427. The next prime is 245375152543. The reversal of 245375152481 is 184251573542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244669718881 + 705433600 = 494641^2 + 26560^2 .

It is a cyclic number.

It is not a de Polignac number, because 245375152481 - 2¹⁰ = 245375151457 is a prime.

It is a super-2 number, since 2×245375152481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245375158481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122687576240 + 122687576241.

It is an arithmetic number, because the mean of its divisors is an integer number (122687576241).

Almost surely, 2^245375152481 is an apocalyptic number.

It is an amenable number.

245375152481 is a deficient number, since it is larger than the sum of its proper divisors (1).

245375152481 is an equidigital number, since it uses as much as digits as its factorization.

245375152481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344000, while the sum is 47.

The spelling of 245375152481 in words is "two hundred forty-five billion, three hundred seventy-five million, one hundred fifty-two thousand, four hundred eighty-one".