872309445145 has 16 divisors (see below), whose sum is σ = 1092811357440. Its totient is φ = 667183553344.

The previous prime is 872309445127. The next prime is 872309445157. The reversal of 872309445145 is 541544903278.

It is a cyclic number.

It is not a de Polignac number, because 872309445145 - 2¹⁷ = 872309314073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 872309445092 and 872309445101.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1595149 + ... + 2071018.

It is an arithmetic number, because the mean of its divisors is an integer number (68300709840).

Almost surely, 2^872309445145 is an apocalyptic number.

It is an amenable number.

872309445145 is a deficient number, since it is larger than the sum of its proper divisors (220501912295).

872309445145 is a wasteful number, since it uses less digits than its factorization.

872309445145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668264.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 872309445145 in words is "eight hundred seventy-two billion, three hundred nine million, four hundred forty-five thousand, one hundred forty-five".