45450042163 has 2 divisors, whose sum is σ = 45450042164. Its totient is φ = 45450042162.

The previous prime is 45450042161. The next prime is 45450042191. The reversal of 45450042163 is 36124005454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45450042163 - 2¹ = 45450042161 is a prime.

Together with 45450042161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45450042161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22725021081 + 22725021082.

It is an arithmetic number, because the mean of its divisors is an integer number (22725021082).

Almost surely, 2^45450042163 is an apocalyptic number.

45450042163 is a deficient number, since it is larger than the sum of its proper divisors (1).

45450042163 is an equidigital number, since it uses as much as digits as its factorization.

45450042163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 45450042163 in words is "forty-five billion, four hundred fifty million, forty-two thousand, one hundred sixty-three".