145550243135047 has 2 divisors, whose sum is σ = 145550243135048. Its totient is φ = 145550243135046.

The previous prime is 145550243135041. The next prime is 145550243135057. The reversal of 145550243135047 is 740531342055541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145550243135047 - 2¹¹ = 145550243132999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145550243135041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72775121567523 + 72775121567524.

It is an arithmetic number, because the mean of its divisors is an integer number (72775121567524).

Almost surely, 2^{145550243135047} is an apocalyptic number.

145550243135047 is a deficient number, since it is larger than the sum of its proper divisors (1).

145550243135047 is an equidigital number, since it uses as much as digits as its factorization.

145550243135047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 145550243135047 in words is "one hundred forty-five trillion, five hundred fifty billion, two hundred forty-three million, one hundred thirty-five thousand, forty-seven".