145888857443 has 4 divisors (see below), whose sum is σ = 166730122800. Its totient is φ = 125047592088.

The previous prime is 145888857409. The next prime is 145888857451. The reversal of 145888857443 is 344758888541.

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 145888857443 - 2⁸ = 145888857187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145888857443.

It is not an unprimeable number, because it can be changed into a prime (145888857473) 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, 10420632668 + ... + 10420632681.

It is an arithmetic number, because the mean of its divisors is an integer number (41682530700).

Almost surely, 2^145888857443 is an apocalyptic number.

145888857443 is a deficient number, since it is larger than the sum of its proper divisors (20841265357).

145888857443 is an equidigital number, since it uses as much as digits as its factorization.

145888857443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20841265356.

The product of its digits is 137625600, while the sum is 65.

The spelling of 145888857443 in words is "one hundred forty-five billion, eight hundred eighty-eight million, eight hundred fifty-seven thousand, four hundred forty-three".