145543605671 has 4 divisors (see below), whose sum is σ = 147044055312. Its totient is φ = 144043156032.

The previous prime is 145543605601. The next prime is 145543605703. The reversal of 145543605671 is 176506345541.

It is a happy number.

145543605671 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, and also an emirpimes, since its reverse is a distinct semiprime: 176506345541 = 281 ⋅628136461.

It is a cyclic number.

It is not a de Polignac number, because 145543605671 - 2¹⁴ = 145543589287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145543605601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750224675 + ... + 750224868.

It is an arithmetic number, because the mean of its divisors is an integer number (36761013828).

Almost surely, 2^145543605671 is an apocalyptic number.

145543605671 is a deficient number, since it is larger than the sum of its proper divisors (1500449641).

145543605671 is an equidigital number, since it uses as much as digits as its factorization.

145543605671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500449640.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 145543605671 in words is "one hundred forty-five billion, five hundred forty-three million, six hundred five thousand, six hundred seventy-one".