159445023023 has 24 divisors (see below), whose sum is σ = 198672793200. Its totient is φ = 126757889280.

The previous prime is 159445022993. The next prime is 159445023037. The reversal of 159445023023 is 320320544951.

It is a happy number.

It is not a de Polignac number, because 159445023023 - 2¹² = 159445018927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159445023823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2637578 + ... + 2697351.

It is an arithmetic number, because the mean of its divisors is an integer number (8278033050).

Almost surely, 2^159445023023 is an apocalyptic number.

159445023023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159445023023 is a deficient number, since it is larger than the sum of its proper divisors (39227770177).

159445023023 is a wasteful number, since it uses less digits than its factorization.

159445023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334983 (or 5334972 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 159445023023 its reverse (320320544951), we get a palindrome (479765567974).

The spelling of 159445023023 in words is "one hundred fifty-nine billion, four hundred forty-five million, twenty-three thousand, twenty-three".