2045342196 has 18 divisors (see below), whose sum is σ = 5170170642. Its totient is φ = 681780720.

The previous prime is 2045342179. The next prime is 2045342207. The reversal of 2045342196 is 6912435402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1177450596 + 867891600 = 34314^2 + 29460^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56815061 = 2045342196 / (2 + 0 + 4 + 5 + 3 + 4 + 2 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 2045342196.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 28407495 + ... + 28407566.

Almost surely, 2^2045342196 is an apocalyptic number.

It is an amenable number.

2045342196 is an abundant number, since it is smaller than the sum of its proper divisors (3124828446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045342196 is a wasteful number, since it uses less digits than its factorization.

2045342196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56815071 (or 56815066 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2045342196 is about 45225.4595996547. The cubic root of 2045342196 is about 1269.3712546917.

Adding to 2045342196 its reverse (6912435402), we get a palindrome (8957777598).

The spelling of 2045342196 in words is "two billion, forty-five million, three hundred forty-two thousand, one hundred ninety-six".