145244156443 has 4 divisors (see below), whose sum is σ = 146046610528. Its totient is φ = 144441702360.

The previous prime is 145244156413. The next prime is 145244156507. The reversal of 145244156443 is 344651442541.

145244156443 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 145244156443 - 2²⁹ = 144707285531 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 145244156443.

It is not an unprimeable number, because it can be changed into a prime (145244156413) 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, 401226771 + ... + 401227132.

It is an arithmetic number, because the mean of its divisors is an integer number (36511652632).

Almost surely, 2^145244156443 is an apocalyptic number.

145244156443 is a deficient number, since it is larger than the sum of its proper divisors (802454085).

145244156443 is an equidigital number, since it uses as much as digits as its factorization.

145244156443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802454084.

The product of its digits is 921600, while the sum is 43.

Adding to 145244156443 its reverse (344651442541), we get a palindrome (489895598984).

The spelling of 145244156443 in words is "one hundred forty-five billion, two hundred forty-four million, one hundred fifty-six thousand, four hundred forty-three".