2045302453 has 4 divisors (see below), whose sum is σ = 2165614380. Its totient is φ = 1924990528.

The previous prime is 2045302451. The next prime is 2045302463. The reversal of 2045302453 is 3542035402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542035402 = 2 ⋅1771017701.

It can be written as a sum of positive squares in 2 ways, for example, as 1077283684 + 968018769 = 32822^2 + 31113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045302453 - 2¹ = 2045302451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045302451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60155938 + ... + 60155971.

It is an arithmetic number, because the mean of its divisors is an integer number (541403595).

Almost surely, 2^2045302453 is an apocalyptic number.

It is an amenable number.

2045302453 is a deficient number, since it is larger than the sum of its proper divisors (120311927).

2045302453 is a wasteful number, since it uses less digits than its factorization.

2045302453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120311926.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2045302453 is about 45225.0202100563. The cubic root of 2045302453 is about 1269.3630329300.

Adding to 2045302453 its reverse (3542035402), we get a palindrome (5587337855).

The spelling of 2045302453 in words is "two billion, forty-five million, three hundred two thousand, four hundred fifty-three".