1785722413145 has 16 divisors (see below), whose sum is σ = 2369695900032. Its totient is φ = 1280916696960.

The previous prime is 1785722413117. The next prime is 1785722413169. The reversal of 1785722413145 is 5413142275871.

It is not a de Polignac number, because 1785722413145 - 2⁸ = 1785722412889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1785722413093 and 1785722413102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222377357 + ... + 222385386.

It is an arithmetic number, because the mean of its divisors is an integer number (148105993752).

Almost surely, 2^{1785722413145} is an apocalyptic number.

It is an amenable number.

1785722413145 is a deficient number, since it is larger than the sum of its proper divisors (583973486887).

1785722413145 is a wasteful number, since it uses less digits than its factorization.

1785722413145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444762832.

The product of its digits is 1881600, while the sum is 50.

The spelling of 1785722413145 in words is "one trillion, seven hundred eighty-five billion, seven hundred twenty-two million, four hundred thirteen thousand, one hundred forty-five".