145497059646847 has 4 divisors (see below), whose sum is σ = 153154799628280. Its totient is φ = 137839319665416.

The previous prime is 145497059646811. The next prime is 145497059646877. The reversal of 145497059646847 is 748646950794541.

145497059646847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145497059646847 - 2²³ = 145497051258239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145497059646877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3828869990688 + ... + 3828869990725.

It is an arithmetic number, because the mean of its divisors is an integer number (38288699907070).

Almost surely, 2^{145497059646847} is an apocalyptic number.

145497059646847 is a deficient number, since it is larger than the sum of its proper divisors (7657739981433).

145497059646847 is an equidigital number, since it uses as much as digits as its factorization.

145497059646847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657739981432.

The product of its (nonzero) digits is 7315660800, while the sum is 79.

The spelling of 145497059646847 in words is "one hundred forty-five trillion, four hundred ninety-seven billion, fifty-nine million, six hundred forty-six thousand, eight hundred forty-seven".