245312445140501 has 2 divisors, whose sum is σ = 245312445140502. Its totient is φ = 245312445140500.

The previous prime is 245312445140453. The next prime is 245312445140507. The reversal of 245312445140501 is 105041544213542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234535472331601 + 10776972808900 = 15314551^2 + 3282830^2 .

It is a cyclic number.

It is not a de Polignac number, because 245312445140501 - 2²² = 245312440946197 is a prime.

It is a super-2 number, since 2×245312445140501² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245312445140507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122656222570250 + 122656222570251.

It is an arithmetic number, because the mean of its divisors is an integer number (122656222570251).

Almost surely, 2^{245312445140501} is an apocalyptic number.

It is an amenable number.

245312445140501 is a deficient number, since it is larger than the sum of its proper divisors (1).

245312445140501 is an equidigital number, since it uses as much as digits as its factorization.

245312445140501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 245312445140501 in words is "two hundred forty-five trillion, three hundred twelve billion, four hundred forty-five million, one hundred forty thousand, five hundred one".