872143022145 has 32 divisors (see below), whose sum is σ = 1401912658944. Its totient is φ = 462984120000.

The previous prime is 872143022143. The next prime is 872143022203. The reversal of 872143022145 is 541220341278.

It is a happy number.

It is not a de Polignac number, because 872143022145 - 2¹ = 872143022143 is a prime.

It is a super-4 number, since 4×872143022145⁴ (a number of 49 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (872143022141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5688564 + ... + 5839866.

It is an arithmetic number, because the mean of its divisors is an integer number (43809770592).

Almost surely, 2^872143022145 is an apocalyptic number.

It is an amenable number.

872143022145 is a deficient number, since it is larger than the sum of its proper divisors (529769636799).

872143022145 is a wasteful number, since it uses less digits than its factorization.

872143022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153093.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 872143022145 in words is "eight hundred seventy-two billion, one hundred forty-three million, twenty-two thousand, one hundred forty-five".