245130423149 has 2 divisors, whose sum is σ = 245130423150. Its totient is φ = 245130423148.

The previous prime is 245130422951. The next prime is 245130423151. The reversal of 245130423149 is 941324031542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154834380100 + 90296043049 = 393490^2 + 300493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245130423149 is a prime.

Together with 245130423151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245150423149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122565211574 + 122565211575.

It is an arithmetic number, because the mean of its divisors is an integer number (122565211575).

Almost surely, 2^245130423149 is an apocalyptic number.

It is an amenable number.

245130423149 is a deficient number, since it is larger than the sum of its proper divisors (1).

245130423149 is an equidigital number, since it uses as much as digits as its factorization.

245130423149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 245130423149 in words is "two hundred forty-five billion, one hundred thirty million, four hundred twenty-three thousand, one hundred forty-nine".