2085155745 has 16 divisors (see below), whose sum is σ = 3339231360. Its totient is φ = 1111089024.

The previous prime is 2085155729. The next prime is 2085155753. The reversal of 2085155745 is 5475515802.

It is not a de Polignac number, because 2085155745 - 2⁴ = 2085155729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2085155697 and 2085155706.

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, 44629 + ... + 78498.

It is an arithmetic number, because the mean of its divisors is an integer number (208701960).

Almost surely, 2^2085155745 is an apocalyptic number.

It is an amenable number.

2085155745 is a deficient number, since it is larger than the sum of its proper divisors (1254075615).

2085155745 is a wasteful number, since it uses less digits than its factorization.

2085155745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124264.

The product of its (nonzero) digits is 280000, while the sum is 42.

The square root of 2085155745 is about 45663.5056144401. The cubic root of 2085155745 is about 1277.5546871196.

The spelling of 2085155745 in words is "two billion, eighty-five million, one hundred fifty-five thousand, seven hundred forty-five".