2102045342 has 16 divisors (see below), whose sum is σ = 3339814032. Its totient is φ = 988821120.

The previous prime is 2102045311. The next prime is 2102045347. The reversal of 2102045342 is 2435402012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102045347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92108 + ... + 112640.

It is an arithmetic number, because the mean of its divisors is an integer number (208738377).

Almost surely, 2^2102045342 is an apocalyptic number.

2102045342 is a deficient number, since it is larger than the sum of its proper divisors (1237768690).

2102045342 is a wasteful number, since it uses less digits than its factorization.

2102045342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23563.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2102045342 is about 45848.0680290893. The cubic root of 2102045342 is about 1280.9947796637.

Adding to 2102045342 its reverse (2435402012), we get a palindrome (4537447354).

The spelling of 2102045342 in words is "two billion, one hundred two million, forty-five thousand, three hundred forty-two".