2153135245 has 16 divisors (see below), whose sum is σ = 2599252992. Its totient is φ = 1712206080.

The previous prime is 2153135207. The next prime is 2153135251. The reversal of 2153135245 is 5425313512.

It is not a de Polignac number, because 2153135245 - 2²¹ = 2151038093 is a prime.

It is a super-2 number, since 2×2153135245² = 9271982766522420050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148629 + ... + 1150501.

It is an arithmetic number, because the mean of its divisors is an integer number (162453312).

Almost surely, 2^2153135245 is an apocalyptic number.

It is an amenable number.

2153135245 is a deficient number, since it is larger than the sum of its proper divisors (446117747).

2153135245 is a wasteful number, since it uses less digits than its factorization.

2153135245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132.

The product of its digits is 18000, while the sum is 31.

The square root of 2153135245 is about 46401.8883775219. Note that the first 3 decimals coincide. The cubic root of 2153135245 is about 1291.2899471814.

Adding to 2153135245 its reverse (5425313512), we get a palindrome (7578448757).

The spelling of 2153135245 in words is "two billion, one hundred fifty-three million, one hundred thirty-five thousand, two hundred forty-five".