2045410042 has 24 divisors (see below), whose sum is σ = 3332322396. Its totient is φ = 941181696.

The previous prime is 2045410007. The next prime is 2045410067. The reversal of 2045410042 is 2400145402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 769563081 + 1275846961 = 27741^2 + 35719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2045409995 and 2045410022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104928 + ... + 122884.

Almost surely, 2^2045410042 is an apocalyptic number.

2045410042 is a deficient number, since it is larger than the sum of its proper divisors (1286912354).

2045410042 is a wasteful number, since it uses less digits than its factorization.

2045410042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18322 (or 18309 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2045410042 is about 45226.2096797863. The cubic root of 2045410042 is about 1269.3852899650.

Adding to 2045410042 its reverse (2400145402), we get a palindrome (4445555444).

The spelling of 2045410042 in words is "two billion, forty-five million, four hundred ten thousand, forty-two".