245342242002149 has 2 divisors, whose sum is σ = 245342242002150. Its totient is φ = 245342242002148.

The previous prime is 245342242002127. The next prime is 245342242002223. The reversal of 245342242002149 is 941200242243542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237046361616100 + 8295880386049 = 15396310^2 + 2880257^2 .

It is a cyclic number.

It is not a de Polignac number, because 245342242002149 - 2²⁴ = 245342225224933 is a prime.

It is a super-2 number, since 2×245342242002149² (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 (245342242902149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671121001074 + 122671121001075.

It is an arithmetic number, because the mean of its divisors is an integer number (122671121001075).

Almost surely, 2^{245342242002149} is an apocalyptic number.

It is an amenable number.

245342242002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342242002149 is an equidigital number, since it uses as much as digits as its factorization.

245342242002149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 245342242002149 in words is "two hundred forty-five trillion, three hundred forty-two billion, two hundred forty-two million, two thousand, one hundred forty-nine".