245145211345319 has 2 divisors, whose sum is σ = 245145211345320. Its totient is φ = 245145211345318.

The previous prime is 245145211345303. The next prime is 245145211345327. The reversal of 245145211345319 is 913543112541542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245145211345319 - 2⁴ = 245145211345303 is a prime.

It is a super-2 number, since 2×245145211345319² (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 (245145211345819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122572605672659 + 122572605672660.

It is an arithmetic number, because the mean of its divisors is an integer number (122572605672660).

Almost surely, 2^{245145211345319} is an apocalyptic number.

245145211345319 is a deficient number, since it is larger than the sum of its proper divisors (1).

245145211345319 is an equidigital number, since it uses as much as digits as its factorization.

245145211345319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 50.

The spelling of 245145211345319 in words is "two hundred forty-five trillion, one hundred forty-five billion, two hundred eleven million, three hundred forty-five thousand, three hundred nineteen".