2153455045 has 16 divisors (see below), whose sum is σ = 2957374080. Its totient is φ = 1474622784.

The previous prime is 2153455043. The next prime is 2153455049. The reversal of 2153455045 is 5405543512.

It is a cyclic number.

It is not a de Polignac number, because 2153455045 - 2¹ = 2153455043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153455045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153455043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16315 + ... + 67624.

It is an arithmetic number, because the mean of its divisors is an integer number (184835880).

Almost surely, 2^2153455045 is an apocalyptic number.

It is an amenable number.

2153455045 is a deficient number, since it is larger than the sum of its proper divisors (803919035).

2153455045 is an equidigital number, since it uses as much as digits as its factorization.

2153455045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84684.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2153455045 is about 46405.3342300214. The cubic root of 2153455045 is about 1291.3538747467.

Adding to 2153455045 its reverse (5405543512), we get a palindrome (7558998557).

The spelling of 2153455045 in words is "two billion, one hundred fifty-three million, four hundred fifty-five thousand, forty-five".